This patent recessed lock is designed for fitting into entrance doors, using a shaped cylinder rather than a standard key. It has a 40 mm entry and an 85 mm centre distance, suiting doors prepared for this spacing. It can be fitted for either left or right opening doors.

• Recessed (mortice) lock for entry doors
• Entry (backset): 40 mm
• Centre distance: 85 mm
• Suitable for left and right hand doors
• Requires a shaped cylinder