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5 Lever British Standard Kite Marked Mortice Sash Lock - BS3621 Rated - CE Marked / UKCA Marked - Fire Rated - Certifire Approved - Satin Stainless Steel | G Johns & Sons
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5 Lever British Standard Kite Marked Mortice Dead Lock - BS3621 Rated - CE Marked / UKCA Marked - Fire Rated - Certifire Approved - Matt Black | G Johns & Sons
What Are BS3621 Locks? Why Are They Important? | LockFit
Insurance rated locks
Easi-T Sashlock 5-Lever British Standard (BS3621) from £30.44
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24H Certified British Standard Door Locks BS3621 Service In London, UK
ERA Fortress 363 British Standard BS3621 Euro Deadlock - 76mm (3") Cas
5 Lever Dead Lock BS3621 British Standard 67mm - SATIN STAINLESS STEEL : Amazon.co.uk: DIY & Tools
5 Lever British Standard Kite Marked Mortice Dead Lock - BS3621 Rated - CE Marked / UKCA Marked - Fire Rated - Certifire Approved - Polished Brass PVD Plated | G Johns & Sons
The Importance of British Standard Locks - Find A Local Locksmith
