The Yale 91 basic nightlatch security lock is key operated from the outside & lever handle operated from the inside. On closing the door the snib function (bolt hold back button) enables the latch to be held back.
This lock is non deadlocking & is ideal for use in hotels. Supplied with 1109 Cylinder.
The 91 basic nightlatch has 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 91DMGPB has a hardened Case Finish in Dark Metallic Grey & the Cylinder is Finished in Polish Brass. The lock is covered by a 2 Year Guarantee & has a Standard Security Rating.