The union 5 lever mortice sash lock 775mm 3in box is ideal for timber doors hinged on the left or right and the keys are suitable for doors up to 54mm thick the 125mm anti saw deadbolt is locked or unlocked by the key from either side with the latch bolt withdrawn by a lever handle from either side the latchbolt is easily reversible from outside of casethis lock is supplied with covered escutcheon to match forend with the striking plate finished to match forend the lock is also pierced to