The union 2277 3 lever mortice sashlocks are ideal for timber doors hinged on the left or right and are suitable for doors up to 54mm thick the deadbolt is locked or unlocked by the key from either side with the latch bolt withdrawn by lever handle from either side the locks are also pierced to accept bolt through furniture these locks have a 125mm anti saw brass deadbolt with hardened steel rollers and the striking plate is finished to match the forend rebate kit 2969 13mm 19mm or 25mm keying g