Multi-Point Mortise Latch and Keeper, 12 in. Mounting Holes

This is a multi-point lock constructed of yellow zinc for wood and vinyl sliding patio doors with a 45 degree keyway. The mounting holes are 12 inch on center, and there is 5-5/8 inch between hooks, a 1-11/16 inch backset, and the lock is 1 inch in width. Each lock comes with a heavy-duty keeper and 3 inch long security screws. To adjust the hooks there is a screw on the faceplate that will adjust the depth that the hook lock grabs.