Case Width: 78 mm Backset: 60 mm features: Mortice latch To suit oval profile cylinder Application: Wooden doors hinged on the left or right Operation: Latchbolt withdrawn by cylinder key from outside Latchbolt withdrawn by separate turn snib from inside such as 77205 Bolt held in the withdrawn position by use of optional snib in the forend Cylinder options - single cylinder or key and key Various cylinder lengths available Cylinder and snib to be ordered seperately