Prime-Line C 1000 Sliding Glass Door Handle Lock, Hook Style, Surface Mount, Aluminum Product Description This patio door handle is a surface with hook latch style. Often found on older style patio doors, it is mounted on the doorft.s inside frame and the hook latch engages the keeper mounted on the jamb. It has a 1-1/8 inch handle height extruded aluminum inside handle with an anti-lift feature on the Hook Latch. The latch profile is 3/8 inch. The mounting holes are 4-15/16 inches apart. The outside handle is a low profile extruded pull. It is non-keyed but can be keyed by ordering E 2070. From the Manufacturer This patio door handle is constructed from aluminum. It features a reversible surface mount design and includes a fixed anti-lift key for extra protection. This handle has a height measuring 1-1/2 in. with a latch hook projection of 3/8 in. Features Used by a variety of sliding patio door manufacturers Surface mount with hook latch Features an anti-lift hook latch Diecast mill finish handles Mounting holes are 4-15/16 in. on center Mounting hardware included USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.