Yale Locks P1 Double Security Nightlatch 60Mm Backset Chrome Finish Visi

Yale's P1 double security nightlatch is designed for timber external doors and glass panelled doors. The lock operates via key from the outside and key or lever handle from the inside, with a lockable internal handle for increased security. The latch automatically deadlocks on door closure and features a snib function (bolt hold back button) for holding the latch back when required. The lock employs a 5 pin high performance cylinder with a 20 mm anti-carding bolt. The 60 mm backset measurement is the distance from the door edge to the centre of the keyhole; 40 mm backset models are available for confined spaces such as narrow glass panelled doors. The case measures 60 mm wide by 88 mm high by 30 mm deep and is finished in polished chrome. Supplied with 1109 external cylinder and 2 keys. A 2 year guarantee is included.