5 Lever British Standard - 2 5& x22; & x28;63mm& x29; Fortress Sashlock - Various Finishes
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High Security TS007 1 Star Euro Cylinder Lock, British Standard, Insurance Approved Barrel Lock and Key Sets. Supplied with 3 Keys. UPVC Door Locks. (40mm x 45mm (85mm Total)) : Amazon.co.uk: DIY
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Zoo Hardware KEYED ALIKE British Standard BS3621 5 Lever Dead Lock - More 4 Doors
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BS3621 Locks & The Importance of The British Standard
BS 3621 Nightlatch Door Lock | ERA Protect
ERA 1730 BS8621 2007 BRITISH STANDARD KEYLESS EGRESS NIGHTLATCH DOOR LOCK, 60MM BACKSET, SATIN NICKEL FINISH-
What are BS3621 Locks? + How to tell you have British Standard Locks
What are BS3621 Locks? + How to tell you have British Standard Locks
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5 Lever Sashlock British Standard BS3621 | Euro Architectural Hardware Ltd
ERA Fortress 5 Lever Mortice Sash Lock High Security BS British Kite Mark
British Standard Locks and Home Insurance Policies
