Replace worn, damaged, or outdated sliding patio door handles with the Prime-Line C 1131 Sliding Glass Door Handle Set. Designed for mortise hook-style sliding patio door systems, this replacement handle set restores dependable operation while enhancing the appearance of compatible sliding glass doors. Its non-handed design allows installation on both left- and right-sliding doors, making it a versatile replacement choice for many patio door applications.Constructed from durable black-painted diecast components with a light stained wood interior pull, this handle set combines long-lasting performance with an attractive appearance. The interior handle provides a comfortable grip, while the exterior pull can be upgraded to a keyed version using compatible Prime-Line components for enhanced security. Designed for use with mortise hook lock systems, this handle assembly provides reliable operation when paired with a compatible mortise lock body.The handle set fits doors utilizing 3-15/16 in. center-to-center mounting hole spacing and includes all necessary mounting hardware for installation. Because multiple mortise lock styles are compatible with this handle, the mortise lock body is sold separately. Compare mounting dimensions, lock style, and door configuration with your existing hardware before purchasing to ensure proper compatibility.