PM236 Bathroom 2 Lever Sashlock Polished Chrome 67mm 2.5in - Yale Locks 650236005166, The Yale PM236 2 lever bathroom mortice sashlock offers a standard level of security and are suitable for use on internal timber doors. The deadbolt is locked or unlocked NOT by key but using a separate handle set (not supplied) from either side. These sashlocks also have a 12.5mm deadbolt, and are suitable for use on bathroom doors or other internal doors where privacy is required. 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: 67 x 102mm (2.5 in) Pack: Visi x 1 Backset: 44.5mm This is the measurement from the edge of the door to the centre of the keyhole. Cent