This pre-drill bit from Vix-Bit saves hours of time by accurately drilling holes for hinges, door butts, window pulls, window latches, door latch bolts, striker plates, and all other hardware using screws. Precision built with a hardened drill guide, it tears through wood, metal, plastic and more. This bit is for use with 9/64-inch hinges and no. 8, 9, and 10 screws.