Asec AS11314 BS 5 Lever Mortice Deadlock only £16.75
3" (76mm) Black 5 Lever High Security Mortice Deadlock for Doors, Keyed Alike
2 x KEYED ALIKE SASH LOCK ERA FORTRESS 63mm (2.5") 5 LEVER BS 361-32 BRASS : Amazon.co.uk: DIY & Tools
Union 2295 2-Lever Mortice Sashlock CHROME
ERA Fortress British Standard 5 Lever Sashlock - Keyed Alike
From The Anvil 91068 5-Lever BS3621 Mortice Deadlock 76mm, Black (Keyed Alike)
Union 2477 3 Lever Sliding Door Mortice Deadlock only £35.60
UNION 2101 5 Lever Deadlock - Keyed Alike - 65mm - 44.5mm Backset - Polished Brass | IronmongeryDirect | Same Day Despatch
Keyed-Alike Locks - Keyprint Security Ltd
British Standard 5 Lever Sashlock 64mm Keyed Alike - Satin Stainless Steel - British Standard Sashlocks - Mortice Door Locks - Locks & Security - Marches Architectural Ironmongery
Union 2134E 80mm Keyed Alike 5 Lever BS3621 Insurance Rated Deadlock Polished Brass | Handles4Doors
Keyed Alike 5 Lever Insurance Mortice Dead Lock, 44mm Backset - BS3621 – More 4 Doors
Keyed Alike Pair 5 Lever BS Mortice Door Sash Lock ERA Replacement CE – Commercial Hardware