Case Height: 103 mm Case Depth: 72 mm Cylinder Backset: 50 mm features: M2002 Mortice deadlock Operated by key from both sides British standard 3621 and Insurance approved Suitable for doors 44 - 60 mm thick For thicker doors call our sales team Double cylinder c/w 2 keys Cylinder and key protected by patent 6 pin drill resistant cylinder Hook Bolt to prevent door being spread Exclusive coded key registration system by Banham High security 254 mm striker plate on door frame Saw resistant steel bolt Includes security escutcheon plates (to strengthen door) Steel