When combined with Gainsborough Pull Handles, Mortice Locks when combined offer unparalleled protection and security. Available in a satin chrome finish, Gainsborough's Mortice Lock features a 60mm backset, a spring latch and double throw 20mm deadbolt for extra security and a peace of mind. The spring latch retracts for a single-handed entry. To lock or unlock, simply use a key from either side.