This patent recessed lock suits entrance doors fitted with a shaped cylinder. With a 50 mm entry and an 85 mm centre distance, it can be installed for either left or right hand opening, giving flexibility when fitting to different door frames.

• Recessed (mortice) lock for entry doors
• Entry (backset): 50 mm
• Centre distance: 85 mm
• Suitable for left and right hand doors
• Requires a shaped cylinder