The Partition Top Hinge Assembly For 1" Door, 1-1/4" Post is for use on square edged 1-1/4" thick pilaster posts and 1" thick doors. Top hinge measures 2-1/4" high by 1-1/4" wide with screw spacing of 1-1/2". Mounting lug projects out 1-1/4". Kit includes Top Hinge, Top Hinge Pin, Top Hinge Door Insert, and mounting screws. The assembly is constructed of Zamac die cast metal that is then chrome plated and polished. Also known as a Bathroom Stall Top Hinge Kit. Manufacture part number 63720.