Prime-Line Zinc-Plated Silver Aluminum Patio Door Latch 1 pk

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 in. on center. Overall depth is 1-3/16 inches.