Yale Locks PM320PB25 3 Lever Mortice Sash Lock 67mm 2.5-inch - Polished Brass Finish

The Yale PM320 3 Lever mortice sashlocks offer a standard level of security and are suitable for use on internal timber doors. The deadbolt is locked or unlocked by key from either side. These sashlocks also have a 13mm anti-saw deadbolt and has been designed for use with door furniture. A deadlock has a single deadbolt which is locked or unlocked and locked by means of a key from either side whereas a sashlock has both a deadbolt and a latch which is operated from either side by a lever handles. The security level of mortice deadlocks or sashlocks ranges from 2-5 levers. The higher the number of levers the more secure the lock is.Finish: Polished Brass Case Size: 65mm x 101mm (2 1/2 in) Backset: 45mm This is the measurement from the edge of the door to the centre of the keyhole. Centre: 57mm This is the measurement from the centre of the follower which operates the handles to the centre of the keyhole. In the UK this is commonly 57mm.PTDYALPM320PB25