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The Yale 82 deadbolt nightlatch front door lock has a Deadbolt operation only with no intermediate latching action and it is opened by a key from the outside and a turn handle operation from inside.
The 82 deadbolt 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.
This Yale 82DMGPB has a hardened Case Finish in Dark Metallic Grey and the Cylinder is finished in Polished Brass. The lock is covered by a 2 Year Guarantee and has a standard Security Rating.