{"product_id":"era-double-locking-nightlatch-narrow-40mm-satin-chrome-df183b","title":"ERA Double Locking Nightlatch Narrow 40mm Satin Chrome | DF183B","description":"\u003ch2\u003eERA Double Locking Nightlatch — Narrow, 40mm Backset, Satin Chrome\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eERA Double Locking Nightlatch Narrow (DF183B)\u003c\/strong\u003e provides additional security to replace most existing front door locks. \u003cstrong\u003eAutomatic deadlocking prevents the bolt from being retracted by a credit card\u003c\/strong\u003e — a critical security advantage that makes forced entry significantly harder.\u003c\/p\u003e\u003cp\u003eThe ergonomic internal locking handle can be deadlocked by an anti-clockwise turn of the key from the inside, offering additional protection against forced entry through glass panelled doors. A simple snib button holds the latch withdrawn for easy access without operating the handle.\u003c\/p\u003e\u003cp\u003eFace-fitted and non-handed, it suits both left and right-hand inward opening timber doors. The striker features a 3-hole fixing for added strength. The rim cylinder is supplied with 3 cut keys and can be keyed to pass or master keyed.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic deadlocking bolt\u003c\/strong\u003e — cannot be retracted by credit card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeadlockable from inside\u003c\/strong\u003e via key — ideal for glass panelled doors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm backset\u003c\/strong\u003e — replaces most existing front door locks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSatin chrome finish\u003c\/strong\u003e with matching rim cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnib button\u003c\/strong\u003e holds latch withdrawn for easy access\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-handed\u003c\/strong\u003e — suits left and right-hand doors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-hole striker fixing\u003c\/strong\u003e for additional strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 cut keys supplied\u003c\/strong\u003e; keyed to pass or master keyed available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBS EN 1670 Grade 3\u003c\/strong\u003e corrosion resistance (96 hours)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e DF183B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Double Locking Nightlatch, Narrow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackset:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase size:\u003c\/strong\u003e 100 x 86 x 58.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Satin Chrome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHanded:\u003c\/strong\u003e Non-handed (left \u0026amp; right)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor type:\u003c\/strong\u003e Inward opening timber doors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBrowse Related Products\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/door-locks\"\u003eDoor Locks\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/nightlatches\"\u003eNightlatches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/era-locks\"\u003eERA Locks\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ERA PRODUCTS","offers":[{"title":"Default Title","offer_id":62803342655837,"sku":"DF183B","price":31.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/03---183-35-1-45-deg-down.jpg?v=1780574100","url":"https:\/\/www.blum.org.uk\/products\/era-double-locking-nightlatch-narrow-40mm-satin-chrome-df183b","provider":"Hart Wholesale","version":"1.0","type":"link"}