Fortress 5 Lever British Standard Deadbolt Mortice Door Lock
Yale P-M562-PB-67 PM562 British Standard 5 Lever Mortice Deadlock, High Security, Visi Pack, Suitable for External Doors, 2.5 Inch/64 mm, Polished Brass - Door Dead Bolts - Amazon.com
ERA Fortress Mortice Deadlock 5 Lever BS 64mm Satin
Mortice (Mortise) locks | The Crime Prevention Website
5 Lever Mortice Deadlock - Trading Doors
3 Lever 64mm Mortice Deadlock with Silver Nickel Finish
Front Door Mortice Locks | Entrance Door Locks | ERA