EACH KIT INCLUDES \u2013 2 dark-brown, plastic track case guides and 2 track guides, 4 plastic corner glides, 8 ring shank nails (3/4" x 14-1/2 ga.), and 8 Phillips drive, pan head screws (6 x 5/8"). The opening for the metal track on the larger piece measures 15/16" x 3/32". REPLACE OLD OR BROKEN DOOR HANDLES \u2013 When your door handle is broken, old or unsightly, don\u2019t replace the door entirely, just get a new sliding patio door handle set. This door handle is a mortise style. EASY INSTALLATION \u2013 Installation is quick and easy \u2013 new patio door handles are well within reach. This sliding door handle set fits 3-15/16\u201d hole spacing. The handle set is non-handed, allowing it to be used on both left and right-handed patio sliding doors using 3-15/16\u201d mounting hole centers. NON-HANDED CONSTRUCTION \u2013 The non-handed construction means that you can use this door handle set on both left and right-handed patio sliding doors. Contains 2 dark brown plastic track case guides 2 track guides and 4 white glides For dressers, hutches and night stand drawers A Phillips head screwdriver is required for installation For further dimensional information, please see the line drawing