PM552 5 Lever Mortice Deadlock 67mm 2.5in Polished Brass

<p>The Yale PM552 5 lever mortice deadlocks offers a high level of security and are suitable for use on external timber doors. The deadbolt on the lock is locked or unlocked by key from either side.</p> <p>These deadlocks also have a 14mm anti-saw deadbolt and are recommended for use on a front door in conjunction with a Yale BS nightlatch.</p> <p>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.</p> <p>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.</p><p>Finish: Polished Brass</p> <p>Case Size: 67mm x 70mm (2 1/2 in)</p> <p>Backset: 45mm This is the measurement from the edge of the door to the centre of the keyhole</p>