{"title":"Master-keyed Euro Cylinders","description":"\u003cp\u003eBrowse Euro cylinders listed for master-key arrangements. Match the intended key system and suite requirements; a matching size or finish does not establish key compatibility.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/euro-lock-cylinders\"\u003eBrowse all Euro lock cylinders and sections\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"euro-pro-dbl-cyl-35x35-mst-ent-np","title":"EURO PRO DBL CYL 35x35 MST ENT NP","description":"\u003ch2\u003e35\/35 mm Euro Double Cylinder – Nickel plated\u003c\/h2\u003e\u003cp\u003eDF793E identifies this euro double cylinder, master keyed. The listed 35\/35 mm dimensions give a 70 mm overall length, with equal lengths either side of the fixing-screw centre.\u003c\/p\u003e\u003cp\u003eThe double-cylinder format provides key operation from both faces of the door. Check that keyed access on both sides suits the installation, and match the cylinder profile and cam with the existing lock case.\u003c\/p\u003e\u003cp\u003eThis is the master-keyed option. Confirm the required suite and access permissions before ordering; the same size and finish do not establish compatibility with an existing master key.\u003c\/p\u003e\u003ch3\u003eFinish and fitting checks\u003c\/h3\u003e\u003cp\u003eFinish: Nickel plated. Allow for the fitted door furniture when checking cylinder projection and measure from the fixing-screw centre. Quote DF793E when checking the specification.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/euro-lock-cylinders\"\u003eBrowse Euro cylinders by size, operation, finish and keying\u003c\/a\u003e.\u003c\/p\u003e","brand":"M MARCUS LTD","offers":[{"title":"Default Title","offer_id":62803365658973,"sku":"DF793E","price":20.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/iseo-f5-doublenickel-range.jpg?v=1794076354"},{"product_id":"euro-pro-dbl-cyl-35x35-mk-np","title":"EURO PRO DBL CYL 35x35 MK PNP","description":"\u003ch2\u003e35\/35 mm Euro Double Cylinder – Polished Nickel\u003c\/h2\u003e\u003cp\u003eDF973A identifies this euro double cylinder, master keyed. The listed 35\/35 mm dimensions give a 70 mm overall length, with equal lengths either side of the fixing-screw centre.\u003c\/p\u003e\u003cp\u003eThe double-cylinder format provides key operation from both faces of the door. Check that keyed access on both sides suits the installation, and match the cylinder profile and cam with the existing lock case.\u003c\/p\u003e\u003cp\u003eThis is the master-keyed option. Confirm the required suite and access permissions before ordering; the same size and finish do not establish compatibility with an existing master key.\u003c\/p\u003e\u003ch3\u003eFinish and fitting checks\u003c\/h3\u003e\u003cp\u003eFinish: Polished Nickel. Allow for the fitted door furniture when checking cylinder projection and measure from the fixing-screw centre. Quote DF973A when checking the specification.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/euro-lock-cylinders\"\u003eBrowse Euro cylinders by size, operation, finish and keying\u003c\/a\u003e.\u003c\/p\u003e","brand":"M MARCUS LTD","offers":[{"title":"Default Title","offer_id":62803403931997,"sku":"DF973A","price":19.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/iseo-f5-doublenickel-range.jpg?v=1794076354"},{"product_id":"euro-pro-dbl-cyl-40x40-mk-np","title":"EURO PRO DBL CYL 40x40 MK PNP","description":"\u003ch2\u003e40\/40 mm Euro Double Cylinder – Polished Nickel\u003c\/h2\u003e\u003cp\u003eDF973D identifies this euro double cylinder, master keyed. The listed 40\/40 mm dimensions give a 80 mm overall length, with equal lengths either side of the fixing-screw centre.\u003c\/p\u003e\u003cp\u003eThe double-cylinder format provides key operation from both faces of the door. Check that keyed access on both sides suits the installation, and match the cylinder profile and cam with the existing lock case.\u003c\/p\u003e\u003cp\u003eThis is the master-keyed option. Confirm the required suite and access permissions before ordering; the same size and finish do not establish compatibility with an existing master key.\u003c\/p\u003e\u003ch3\u003eFinish and fitting checks\u003c\/h3\u003e\u003cp\u003eFinish: Polished Nickel. Allow for the fitted door furniture when checking cylinder projection and measure from the fixing-screw centre. Quote DF973D when checking the specification.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/euro-lock-cylinders\"\u003eBrowse Euro cylinders by size, operation, finish and keying\u003c\/a\u003e.\u003c\/p\u003e","brand":"M MARCUS LTD","offers":[{"title":"Default Title","offer_id":62803404030301,"sku":"DF973D","price":20.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/iseo-f5-doublenickel-range.jpg?v=1794076354"},{"product_id":"espec-dbl-cyl-10pin-umk-40-40-pcp","title":"ESPEC DBL CYL 10PIN UMK 40+40 PCP CYG77280PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K10\u003c\/strong\u003e has a listed size of 40+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+40 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K10\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804058505565,"sku":"DFC276K10","price":33.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K10_718ec767-2f70-4cf1-af2a-375a9cd652ae.jpg?v=1785942789"},{"product_id":"espec-dbl-cyl-10pin-umk-40-40-scp","title":"ESPEC DBL CYL 10PIN UMK 40+40 SCP CYG77280SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K11\u003c\/strong\u003e has a listed size of 40+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+40 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K11\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804058571101,"sku":"DFC276K11","price":33.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K11.jpg?v=1785944141"},{"product_id":"espec-dbl-cyl-10pin-umk-40-40-blk","title":"ESPEC DBL CYL 10PIN UMK 40+40 BLK CYG77280BK","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K11A\u003c\/strong\u003e has a listed size of 40+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+40 x Ø17 x 33 mm\u003cbr\u003eBlack\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K11A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804058702173,"sku":"DFC276K11A","price":33.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K11A.jpg?v=1785942235"},{"product_id":"espec-dbl-cyl-10pin-umk-40-40-pbr","title":"ESPEC DBL CYL 10PIN UMK 40+40 PBR CYG77280PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K11B\u003c\/strong\u003e has a listed size of 40+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+40 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K11B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804058767709,"sku":"DFC276K11B","price":33.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K11B_96e93542-e303-4b49-af88-06f438e4e487.jpg?v=1785944854"},{"product_id":"espec-dbl-cyl-10pin-umk-45-45-blk","title":"ESPEC DBL CYL 10PIN UMK 45+45 BLK CYG77290BK","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K14A\u003c\/strong\u003e has a listed size of 45+45 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+45 x Ø17 x 33 mm\u003cbr\u003eBlack\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K14A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+45\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804059554141,"sku":"DFC276K14A","price":35.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K14A_1192e518-cadb-4443-873a-398465fba392.jpg?v=1785941333"},{"product_id":"espec-dbl-cyl-10pin-umk-45-45-pbr","title":"ESPEC DBL CYL 10PIN UMK 45+45 PBR CYG77290PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K14B\u003c\/strong\u003e has a listed size of 45+45 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+45 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K14B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+45\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804060340573,"sku":"DFC276K14B","price":35.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K14B.jpg?v=1785943854"},{"product_id":"espec-dbl-cyl-10pin-umk-45-45-pcp","title":"ESPEC DBL CYL 10PIN UMK 45+45 PCP CYG77290PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K14C\u003c\/strong\u003e has a listed size of 45+45 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+45 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K14C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+45\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804060635485,"sku":"DFC276K14C","price":35.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K14C.jpg?v=1785944270"},{"product_id":"espec-dbl-cyl-10pin-umk-45-45-scp","title":"ESPEC DBL CYL 10PIN UMK 45+45 SCP CYG77290SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K14D\u003c\/strong\u003e has a listed size of 45+45 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+45 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K14D\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+45\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804060766557,"sku":"DFC276K14D","price":35.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K14D_1a72b190-f457-4a1e-abd0-d1eba51a9dec.jpg?v=1785941107"},{"product_id":"espec-dbl-cyl-10pin-umk-50-50-blk","title":"ESPEC DBL CYL 10PIN UMK 50+50 BLK CYG772100BK","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K17A\u003c\/strong\u003e has a listed size of 50+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e50+50 x Ø17 x 33 mm\u003cbr\u003eBlack\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K17A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 50+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804062568797,"sku":"DFC276K17A","price":38.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K17A_8aaf7109-f10c-4839-bd08-c180e1de511d.jpg?v=1785941944"},{"product_id":"espec-dbl-cyl-10pin-umk-50-50-pbr","title":"ESPEC DBL CYL 10PIN UMK 50+50 PBR CYG772100PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K17B\u003c\/strong\u003e has a listed size of 50+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e50+50 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K17B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 50+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804062699869,"sku":"DFC276K17B","price":38.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K17B_87896fda-ecd7-498d-9e91-0aada4031e10.jpg?v=1785942432"},{"product_id":"espec-dbl-cyl-10pin-umk-50-50-pcp","title":"ESPEC DBL CYL 10PIN UMK 50+50 PCP CYG772100PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K17C\u003c\/strong\u003e has a listed size of 50+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e50+50 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K17C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 50+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804062798173,"sku":"DFC276K17C","price":38.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K17C.jpg?v=1785945086"},{"product_id":"espec-dbl-cyl-10pin-umk-50-50-scp","title":"ESPEC DBL CYL 10PIN UMK 50+50 SCP CYG772100SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K17D\u003c\/strong\u003e has a listed size of 50+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e50+50 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K17D\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 50+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804062896477,"sku":"DFC276K17D","price":38.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K17D.jpg?v=1785941751"},{"product_id":"espec-dbl-cyl-10pin-umk-32-40-pbr","title":"ESPEC DBL CYL 10PIN UMK 32+40 PBR CYG7723240PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K20A\u003c\/strong\u003e has a listed size of 32+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e32+40 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K20A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 32+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804064862557,"sku":"DFC276K20A","price":32.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K20A.jpg?v=1785942010"},{"product_id":"espec-dbl-cyl-10pin-umk-32-40-pcp","title":"ESPEC DBL CYL 10PIN UMK 32+40 PCP CYG7723240PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K20B\u003c\/strong\u003e has a listed size of 32+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e32+40 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K20B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 32+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804065059165,"sku":"DFC276K20B","price":32.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K20B.jpg?v=1785941591"},{"product_id":"espec-dbl-cyl-10pin-umk-32-40-scp","title":"ESPEC DBL CYL 10PIN UMK 32+40 SCP CYG7723240SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K20C\u003c\/strong\u003e has a listed size of 32+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e32+40 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K20C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 32+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804065157469,"sku":"DFC276K20C","price":32.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K20C.jpg?v=1785945343"},{"product_id":"espec-dbl-cyl-10pin-umk-32-50-pbr","title":"ESPEC DBL CYL 10PIN UMK 32+50 PBR CYG7723250PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K23A\u003c\/strong\u003e has a listed size of 32+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e32+50 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K23A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 32+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804066369885,"sku":"DFC276K23A","price":35.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K23A.jpg?v=1785942692"},{"product_id":"espec-dbl-cyl-10pin-umk-32-50-pcp","title":"ESPEC DBL CYL 10PIN UMK 32+50 PCP CYG7723250PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K23B\u003c\/strong\u003e has a listed size of 32+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e32+50 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K23B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 32+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804066500957,"sku":"DFC276K23B","price":35.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K23B.jpg?v=1785946574"},{"product_id":"espec-dbl-cyl-10pin-umk-32-50-scp","title":"ESPEC DBL CYL 10PIN UMK 32+50 SCP CYG7723250SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K23C\u003c\/strong\u003e has a listed size of 32+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e32+50 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K23C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 32+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804066763101,"sku":"DFC276K23C","price":35.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K23C.jpg?v=1785946056"},{"product_id":"espec-dbl-cyl-10pin-umk-35-40-pbr","title":"ESPEC DBL CYL 10PIN UMK 35+40 PBR CYG7723540PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K26A\u003c\/strong\u003e has a listed size of 35+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e35+40 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K26A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 35+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804068434269,"sku":"DFC276K26A","price":33.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K26A.jpg?v=1785941784"},{"product_id":"espec-dbl-cyl-10pin-umk-35-40-pcp","title":"ESPEC DBL CYL 10PIN UMK 35+40 PCP CYG7723540PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K26B\u003c\/strong\u003e has a listed size of 35+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e35+40 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K26B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 35+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804068499805,"sku":"DFC276K26B","price":33.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K26B.jpg?v=1785945505"},{"product_id":"espec-dbl-cyl-10pin-umk-35-40-scp","title":"ESPEC DBL CYL 10PIN UMK 35+40 SCP CYG7723540SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K26C\u003c\/strong\u003e has a listed size of 35+40 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e35+40 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K26C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 35+40\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804069089629,"sku":"DFC276K26C","price":33.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K26C.jpg?v=1785945151"},{"product_id":"espec-dbl-cyl-10pin-umk-35-50-pbr","title":"ESPEC DBL CYL 10PIN UMK 35+50 PBR CYG7723550PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K32A\u003c\/strong\u003e has a listed size of 35+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e35+50 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K32A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 35+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804073447773,"sku":"DFC276K32A","price":33.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K32A_325f94e1-7a77-4a5d-82a1-c824323ba377.jpg?v=1785941559"},{"product_id":"espec-dbl-cyl-10pin-umk-35-50-pcp","title":"ESPEC DBL CYL 10PIN UMK 35+50 PCP CYG7723550PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K32B\u003c\/strong\u003e has a listed size of 35+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e35+50 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K32B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 35+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804073546077,"sku":"DFC276K32B","price":33.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K32B.jpg?v=1785944238"},{"product_id":"espec-dbl-cyl-10pin-umk-35-50-scp","title":"ESPEC DBL CYL 10PIN UMK 35+50 SCP CYG7723550SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K32C\u003c\/strong\u003e has a listed size of 35+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e35+50 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K32C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 35+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804073611613,"sku":"DFC276K32C","price":33.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K32C.jpg?v=1785944855"},{"product_id":"espec-dbl-cyl-10pin-umk-35-55-pbr","title":"ESPEC DBL CYL 10PIN UMK 35+55 PBR CYG7723555PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K35A\u003c\/strong\u003e has a listed size of 35+55 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e35+55 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K35A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 35+55\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804074266973,"sku":"DFC276K35A","price":37.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K35A.jpg?v=1785942204"},{"product_id":"espec-dbl-cyl-10pin-umk-35-55-pcp","title":"ESPEC DBL CYL 10PIN UMK 35+55 PCP CYG7723555PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K35B\u003c\/strong\u003e has a listed size of 35+55 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e35+55 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K35B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 35+55\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804074365277,"sku":"DFC276K35B","price":37.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K35B.jpg?v=1785945055"},{"product_id":"espec-dbl-cyl-10pin-umk-35-55-scp","title":"ESPEC DBL CYL 10PIN UMK 35+55 SCP CYG7723555SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K35C\u003c\/strong\u003e has a listed size of 35+55 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e35+55 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K35C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 35+55\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804074496349,"sku":"DFC276K35C","price":37.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K35C_1863db6b-da44-4bba-a7c4-02a7e332acd0.jpg?v=1785945472"},{"product_id":"espec-dbl-cyl-10pin-umk-40-45-pbr","title":"ESPEC DBL CYL 10PIN UMK 40+45 PBR CYG7724045PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K37A\u003c\/strong\u003e has a listed size of 40+45 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+45 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K37A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+45\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804074889565,"sku":"DFC276K37A","price":37.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K37A_57cd72dd-ee53-4609-b12e-be0389514149.jpg?v=1785941431"},{"product_id":"espec-dbl-cyl-10pin-umk-40-45-pcp","title":"ESPEC DBL CYL 10PIN UMK 40+45 PCP CYG7724045PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K37B\u003c\/strong\u003e has a listed size of 40+45 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+45 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K37B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+45\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804074987869,"sku":"DFC276K37B","price":37.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K37B.jpg?v=1785944141"},{"product_id":"espec-dbl-cyl-10pin-umk-40-45-scp","title":"ESPEC DBL CYL 10PIN UMK 40+45 SCP CYG7724045SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K37C\u003c\/strong\u003e has a listed size of 40+45 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+45 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K37C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+45\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804075086173,"sku":"DFC276K37C","price":37.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K37C_d1e38845-a00a-4b60-8537-8e1e8ddd6165.jpg?v=1785944727"},{"product_id":"espec-dbl-cyl-10pin-umk-40-50-blk","title":"ESPEC DBL CYL 10PIN UMK40+50 BLK CYG7724050BK","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K39A\u003c\/strong\u003e has a listed size of 40+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+50 x Ø17 x 33 mm\u003cbr\u003eBlack\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K39A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804075512157,"sku":"DFC276K39A","price":44.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K39A.jpg?v=1785946960"},{"product_id":"espec-dbl-cyl-10pin-umk-40-50-pbr","title":"ESPEC DBL CYL 10PIN UMK 40+50 PBR CYG7724050PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K39B\u003c\/strong\u003e has a listed size of 40+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+50 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K39B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804075544925,"sku":"DFC276K39B","price":44.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K39B_36bea324-9b9b-46b2-a844-35cfbcf6d907.jpg?v=1785943369"},{"product_id":"espec-dbl-cyl-10pin-umk-40-50-pcp","title":"ESPEC DBL CYL 10PIN UMK 40+50 PCP CYG7724050PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K39C\u003c\/strong\u003e has a listed size of 40+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+50 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K39C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804075610461,"sku":"DFC276K39C","price":44.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K39C.jpg?v=1785946122"},{"product_id":"espec-dbl-cyl-10pin-umk-40-50-scp","title":"ESPEC DBL CYL 10PIN UMK 40+50 SCP CYG7724050SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K39D\u003c\/strong\u003e has a listed size of 40+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+50 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K39D\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804075675997,"sku":"DFC276K39D","price":44.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K39D.jpg?v=1785946381"},{"product_id":"espec-dbl-cyl-10pin-umk-40-55-pcp","title":"ESPEC DBL CYL 10PIN UMK 40+55 PCP CYG7724055PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K42B\u003c\/strong\u003e has a listed size of 40+55 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+55 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K42B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+55\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804076790109,"sku":"DFC276K42B","price":44.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K42B.jpg?v=1785945831"},{"product_id":"espec-dbl-cyl-10pin-umk-40-55-scp","title":"ESPEC DBL CYL 10PIN UMK 40+55 SCP CYG7724055SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K42C\u003c\/strong\u003e has a listed size of 40+55 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+55 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K42C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+55\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804076855645,"sku":"DFC276K42C","price":44.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K42C.jpg?v=1785943174"},{"product_id":"espec-dbl-cyl-10pin-umk-40-60-blk","title":"ESPEC DBL CYL 10PIN UMK 40+60 BLK CYG7724060BK","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K44E\u003c\/strong\u003e has a listed size of 40+60 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+60 x Ø17 x 33 mm\u003cbr\u003eBlack\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K44E\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+60\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804077511005,"sku":"DFC276K44E","price":46.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K44E_f09b4b68-7799-4262-aeb3-b4b519e83168.jpg?v=1785945504"},{"product_id":"espec-dbl-cyl-10pin-umk-40-60-pbr","title":"ESPEC DBL CYL 10PIN UMK 40+60 PBR CYG7724060PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K44F\u003c\/strong\u003e has a listed size of 40+60 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+60 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K44F\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+60\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804077674845,"sku":"DFC276K44F","price":46.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K44F.jpg?v=1785944823"},{"product_id":"espec-dbl-cyl-10pin-umk-40-60-pcp","title":"ESPEC DBL CYL 10PIN UMK 40+60 PCP CYG7724060PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K44G\u003c\/strong\u003e has a listed size of 40+60 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+60 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K44G\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+60\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804077740381,"sku":"DFC276K44G","price":46.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K44G.jpg?v=1785942235"},{"product_id":"espec-dbl-cyl-10pin-umk-40-60-scp","title":"ESPEC DBL CYL 10PIN UMK 40+60 SCP CYG7724060SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K44H\u003c\/strong\u003e has a listed size of 40+60 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e40+60 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K44H\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 40+60\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804077805917,"sku":"DFC276K44H","price":46.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K44H.jpg?v=1785942464"},{"product_id":"espec-dbl-cyl-10pin-umk-45-50-pbr","title":"ESPEC DBL CYL 10PIN UMK 45+50 PBR CYG7724550PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K47A\u003c\/strong\u003e has a listed size of 45+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+50 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K47A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804081443165,"sku":"DFC276K47A","price":44.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K47A_4b7322ea-d76a-4dc9-97f4-784593d5adf8.jpg?v=1785946543"},{"product_id":"espec-dbl-cyl-10pin-umk-45-50-pcp","title":"ESPEC DBL CYL 10PIN UMK 45+50 PCP CYG7724550PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K47B\u003c\/strong\u003e has a listed size of 45+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+50 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K47B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804081705309,"sku":"DFC276K47B","price":44.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K47B.jpg?v=1785945668"},{"product_id":"espec-dbl-cyl-10pin-umk-45-50-scp","title":"ESPEC DBL CYL 10PIN UMK 45+50 SCP CYG7724550SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K47C\u003c\/strong\u003e has a listed size of 45+50 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+50 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K47C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+50\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804082688349,"sku":"DFC276K47C","price":44.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K47C.jpg?v=1785943046"},{"product_id":"espec-dbl-cyl-10pin-umk-45-55-pbr","title":"ESPEC DBL CYL 10PIN UMK 45+55 PBR CYG7724555PB","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K50A\u003c\/strong\u003e has a listed size of 45+55 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+55 x Ø17 x 33 mm\u003cbr\u003ePolished brass\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K50A\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+55\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804086260061,"sku":"DFC276K50A","price":46.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K50A_4918fe17-2cd6-4eef-aa78-0196ca922664.jpg?v=1785941300"},{"product_id":"espec-dbl-cyl-10pin-umk-45-55-pcp","title":"ESPEC DBL CYL 10PIN UMK 45+55 PCP CYG7724555PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K50B\u003c\/strong\u003e has a listed size of 45+55 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+55 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K50B\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+55\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804086620509,"sku":"DFC276K50B","price":46.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K50B.jpg?v=1785941720"},{"product_id":"espec-dbl-cyl-10pin-umk-45-55-scp","title":"ESPEC DBL CYL 10PIN UMK 45+55 SCP CYG7724555SC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K50C\u003c\/strong\u003e has a listed size of 45+55 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e45+55 x Ø17 x 33 mm\u003cbr\u003eSatin chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K50C\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 45+55\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804087177565,"sku":"DFC276K50C","price":46.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K50C.jpg?v=1785944238"},{"product_id":"espec-dbl-cyl-10pin-umk-32-32-pcp","title":"ESPEC DBL CYL 10PIN UMK 32+32 PCP CYG77264PC","description":"\u003cp\u003eEurospec Double Cylinder, 10 Pin \u003cstrong\u003eDFC276K6\u003c\/strong\u003e has a listed size of 32+32 and master-key arrangement keying. Use these details to distinguish it from the other sizes and operating arrangements in the range.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003eEurospec Double Cylinder, 10 Pin\u003cbr\u003eUnder master key\u003cbr\u003e32+32 x Ø17 x 33 mm\u003cbr\u003ePolished chrome\u003cul\u003e\n\u003cli\u003eProduct code: DFC276K6\u003c\/li\u003e\n\u003cli\u003eArrangement: double cylinder\u003c\/li\u003e\n\u003cli\u003eListed size: 32+32\u003c\/li\u003e\n\u003cli\u003eKeying: Master-key arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing this cylinder\u003c\/h2\u003e\u003cp\u003eA double cylinder provides keyed operation from both sides of the door. It is a different operating arrangement from a cylinder-and-thumbturn version, so keep the required access from each side in mind.\u003c\/p\u003e\u003cp\u003eA master-key arrangement needs to match the intended key system. Check the suite requirements before adding a cylinder to an existing installation; a matching size and finish do not establish key compatibility.\u003c\/p\u003e\u003cp\u003eCompare the stated cylinder dimensions with the existing lock and door preparation. Check the profile as well as the length; a similar finish does not make different cylinder formats interchangeable. Browse \u003ca href=\"\/collections\/door-hardware-locks\"\u003edoor locks and cylinders\u003c\/a\u003e to compare other arrangements.\u003c\/p\u003e","brand":"CARLISLE BRASS","offers":[{"title":"Default Title","offer_id":62804087669085,"sku":"DFC276K6","price":29.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/DFC276K6_6d520745-3d42-4af9-92c0-e81eddb52c03.jpg?v=1785941140"}],"url":"https:\/\/www.blum.org.uk\/collections\/master-keyed-euro-cylinders.oembed","provider":"Hart Wholesale","version":"1.0","type":"link"}