Case Length: 76 mm Case Height: 108 mm Backset: 57 mm features: Mortice bathroom lock For use with lever handles and snib Heavy spring suitable for unsprung lever handles Latch is reversible 8 mm follower operates latchbolt 5 mm follower operates deadbolt Latchbolt and deadbolt match finish of faceplate and strike Pierced to accept 38 mm centres horizontally and pierced to accept 63 mm centres diagonally Also pierced to accept privacy turn with 38 mm horizontal fixings c/w strike plate and screws Rebate kit: 78431