Prime-Line C 1126 Sliding Door Clamp Style Handle Set, 4-15/16 in., Wood Handle, Extruded Aluminum, Black, Pack of 1 4-15/16 in. mounting hole center spacing For 1' thick door rails Fits doors that use a High hook placement Reversible latch mechanism for left or right handing 1/4 in. clamp profile with 1/2 in. clamp projection