Hook Door Lock,201-20t Mortise Lock With Cylinder.

Product Type: A mortise lock requires a pocket, or mortise, to be cut into the edge of the door or furniture into which the lock is fitted. Mechanism: It is a cylinder lock system, which means it uses a key (or turning mechanism) for locking and unlocking the device. Features: The packaging indicates it features a hook deadbolt mechanism and comes with a 5-year warranty.Components: The product includes the lock body, a cylinder, and a key, which are typical components of a mortise lock installation. Application: Mortise locks are commonly used for both residential and commercial doors.