Yale B-BSSL-2.5-PB British Standard 5 Lever Mortice Sashlock, Brass Finish, Boxed, Suitable for External Doors, 2.5 Inch/64 mm

TSS High Security 5 Lever British Standard Mortice Sashlock with 3 Keys and Fixings, 3" (81mm) Polished Chrome, Insurance Approved for External Doors, British Standard BS3621:2007

ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Sashlock - Brass Effect

Union Locks 2295 2-Lever Mortice Sash-Lock 63mm - Chrome Finish

Yale 2 Lever Mortice Basic Security, Polished Chrome, 2.5 Inch/64 mm

Union Locks 2295 2-Lever Mortice Sash-Lock 63mm - Polished Brass (Visi Pack)

Yale 5 Lever Mortice Sashlock, High Security, Brass Finish, 2.5 Inch/64 mm

TSS High Security 5 Lever British Standard Mortice Deadlock with 3 Keys and Fixings, 3" (81mm) Polished Brass, Insurance Approved for External Doors, British Standard BS3621:2007

Yale PM562 High Security BS 5 Lever Mortice Dead Lock 64mm 2.5-inch - Polished Chrome Finish - 2 Keys included

Union Locks 2295 2-Lever Mortice Sash-Lock 76mm - Chrome Finish