Architec Mortice Lock640-22 Mortice Lock commonly used in doors. It is known for its durability, security, and classic design. It consist of several components that work together to provide effective locking and unlocking functions. Mortice Lock Kit Function – where the deadbolt locks by a key on both the exterior and interior of the lock. Latch is operated on the interior and exterior by a knob or lever. Features: Backset: 30mm Center to Center: 85mm Finish: Brushed Satin Chrome