This hook-style sliding patio door handle set is constructed of extruded aluminum and diecast components and it includes an inside and outside pull. The inside pull has a 3/4 in. thick base， and the pull projects a total of 1-3/8 inches towards the inside of the home. It features a durable steel latch with a 7/16 in. hook profile and an anti-lift bar for additional security. The inside pull comes in an anodized black finish and features a wood grain detail， and the non-keyed exterior Diecast-constructed pull comes in a black painted finish. This handle set mounts on the surface of the sliding door frame and its hook latch and anti-lift bar engage into a keeper which is also included with this item. The mounting holes for this handle set are spaced at 4-15/16 inches (center to center)， and it is a reversible， non-handed handle set that can be mounted on both left-hand and right-handed sliding doors. This patio door handle set is used by many patio door manufacturers. All fasteners necessary for installation of this item are included within packaging. For modifying this handle set to include an outside keyed-locking pull， consider the following items; Model #141237 (Amazon’s ACIN: B00EJUFRXM)， Model #141860 (Amazon’s ACIN: B000BDB6U4) and Model #E2000 (Amazon’s ACIN: B000I1EC2S). * *Find the HANDLE ST SLIDE DR BLK at Ace.