The Yale 77 series traditional nightlatches are the The Original Yale Lock with classic styling. The deadlocking snib function enables the latch to be held back or deadlocked internally.
The nightlatch is key operation from the outside & has a knob handle for operation from inside.
The 77 series nightlatches have a 60mm backset, this is the measurement from the edge of the door to the centre of the keyhole.
This Yale YAL77ENBSC has a hardened case finished in Brasslux & the Cylinder is finished in Polished Brass
Pack Type: Boxed
Supplied with 2 x keys
Security Rating: Standard
Not recommended for glass panelled doors, unless used in conjunction with a 5 lever mortice lock