Description These are 2-lever mortice bathroom sashlocks suitable for timber doors hinged on either side, with a maximum thickness of 54mm. They feature a reversible latchbolt operated by a lever handle from either side and are designed for use with lightweight knobs or sprung handles. The locks include turn and emergency release functions, with the deadbolt lockable from inside and outside (key or turn not included). They are made of steel with a black powder coat finish and are not suitable for unsprung lever handles. Specifications Case size: 76mm x 102mm (3 inches) Backset: 57mm (distance from door edge to center of keyhole) Centre: 57mm (distance from handle follower to keyhole center) Follower size: 8mm square, 5mm turn follower Finish: Chrome (matching striking plate) Material: Steel with black powder coating Not suitable for bolt-through fixing Security level: Standard (2-5 levers, higher number indicates more security) Compatibility and Accessories Designed for timber doors