The union 2177 3 lever mortice deadlocks are ideal for timber doors hinged on the left or right and they keys are suitable for doors up to 54mm thick the deadbolt is locked or unlocked by the key from either side and has a 125mm anti saw deadbolt the striking plate is finished to match the forend deadbolt brass with hardened steel rollers rebate kit 2969 13mm 19mm or 25mm keying groups may be supplied to pass differ and keyed alike with 2077 2157 2277 and 2477supplied with 2 steel nickel plated