The Yale 88 Standard nightlatch security lock is key operated from the outside & lever handle operated from the inside. The latch automatically deadlocks on closing the door & the snib function (bolt hold back button) enables the latch to be held back.
Supplied with 1109 Cylnder in brass or chrome finish.
The 88 series security nightlatches have a 60mm backset, this is the measurement from the edge of the door to the centre of the keyhole. Locks with a 40mm backset are normally used where there is restricted space, such as on a narrow glass panelled door.
This Yale 88DMGS has a hardened Case Finish in Dark Metallic Grey & the Cylinder is Finished in satin chrome. The lock is covered by a 2 Year Guarantee & has a High Security Rating. Key Blank: B-1109-KEY