REPLACE OLD OR BROKEN DOOR LOCKS: When your sliding door mortise lock is broken or old, don't replace the door entirely, just get a new Prime-Line E 2121 Mortise Lock
FOR SLIDING DOORS: This Mortise Lock can be used on sliding patio doors constructed of wood, aluminum and vinyl. Also fits doors using W&F manufactured handles
EASY INSTALLATION: Installation is quick and easy working sliding door locks are well within reach. Mounting Flanges have 6-32 tapped thread
45 DEGREE KEYWAY: This E 2121 mortise lock has a 45-degree angled keyway position when in the locked position
PRODUCT INFO: The mounting hole centers of this lock measures 3-11/16 inch from center to center, and the rear housing corners are square. Mortise lock dimensions are: 1.125 inch(D)x0.5 inch(W)x3.688 inch(H)
ADJUSTABLE SPRING-LOADED HOOK LATCH: Features an adjustable, spring-loaded hook latch projection that provides secure locking mechanism for surface-mounted sliding patio doors
ROUND FACE DESIGN: Single pack mortise lock with round face design that fits standard sliding door handle sets and provides a clean, finished appearance