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
• 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
• 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 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: 80 x 70mm
• Backset: 57mm