Yale P77 Nightlatch Brasslux

Description from the shop

The Yale 77 Series Traditional Nightlatch is a key-operated night latch with a 60 mm backset (distance from door edge to keyhole centre). It features a deadlocking snib function to hold the latch back or deadlock internally, with knob handle operation from inside and key operation from outside. The unit has a hardened case in Brasslux finish with a polished brass cylinder (1109 external cylinder supplied). Security rating is Standard. The package includes 2 keys. Not recommended for glass panelled doors unless used with a 5 lever mortice lock. Weight 620 g; dimensions 75 × 75 × 110 mm.