Prime-Line Mortise Lock, 3-7/8 in. Mounting Holes on Center, Aluminum Housing, 45 Degree Keyway, Round Faceplate

This mortise lock is excellent for either a wood or aluminum door application. It features an integration of keeper and lock for positive anti-lift protection. The plated steel hook is mounted in an anti-friction pivot, encased in aluminum housing. Typically used by Pennco and a variety of other sliding patio door manufacturers. Mounting holes are 3-7/8 inch on center. Overall depth is 1-3/16 inch.

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