Prime-Line Patio Door Mortise Lock, Adjustable Hook Latch, 3-11/16 in.

Ideal Use: Replaces worn or damaged mortise locks on sliding patio doors to restore security and smooth operation. | Dimensions & Compatibility: Features 3-11/16 in. mounting hole spacing and is designed for handle sets with a 45-degree keyway position | Materials & Components: Durable steel housing and faceplate with an adjustable spring-loaded hook latch for reliable performance | Key Features: Compatible with wood, aluminum, and vinyl sliding patio doors and commonly used with W&F handle systems | Fit Guidance: Compare mounting dimensions, faceplate shape, housing style, and keyway position with existing hardware before ordering