This is a 3-11/16 inch mortise lock with a steel housing and hook. The hook is spring-loaded, with adjustable hook projection that extends to spring-loaded locked position to automatically latch door upon closing. Each lock has the adjusting screw on the front or face of the lock for easy adjusting. A round end faceplate, keyway is in the 45 degree position with hook fully extended, and fits on most Adams Rite sliding patio doors.
- Used by Adams Rite and a variety of sliding patio door manufacturers
- Lock has a 45 degree keyway
- The mounting holes are 3-11/16 inch on center
- Features a durable steel housing
- Spring-loaded hook design