Case Size: 67mm x 77mm (2.5 in). Backset: 40mm This is the measurement from the edge of the door to the centre of the keyhole.
3G114E 5 Lever Mortice Deadlock C-Series 67mm 2.5in Satin Brass
Case Size: 67mm x 77mm (2.5 in). Backset: 40mm This is the measurement from the edge of the door to the centre of the keyhole.