Prime-Line 3-11/16 in., Mortise Lock with Vertical Keyway, Round Faceplate

This is a mortise lock housing and hook are made of steel, with a round-end faceplate, and mounting holes that are 3-11/16 inch on center. It has a vertical keyway when the hook is fully extended. Each mortise lock is spring-loaded, with an adjustable hook projection. The adjustment screw is on the face of the lock. Typically used by Adams Rite and a variety of other manufacturers.

• Adjustable hook projection
• Steel construction for long lasting durability
• Can be installed in minutes with a few simple tools