SaferCCTV Door Self Centering Hinge Center Drill Bit Set, Hole Puncher 1/4" 5/64" 7/64" 9/64" 11/64" 13/64" 25/127", Countersink Drill Bit for Woodworking 1/4", 5/16", 3/8", 1/2", 5/8", 3/4