Neiko Pro 10241B Silver and Deming Drill Bit Set with &frac12;-inch Diameter Tri-flat Shank | 33-Piece Set INDUSTRIAL SET OF S&D DRILL BITS: High quality Silver and Deming drill bit set includes 33 industrial strength drill bits with 1/2" shanks HIGHLY PRECISE: 135-degree split-point tip that wont walk over surfaces. Includes top-lifting aluminum carrying case w/ vertical mounted drill bits HIGH QUALITY HSS MATERIAL: Made of High-Speed Steel (HSS) for drilling into steel, wood and plastic SIZES INCLUDED: 1/2", 33/64, 17/32, 35/64, 9/16, 37/64, 19/32, 19/64, 5/8, 41/64, 21/32, 21/32", 11/16" 23/32", 43/64, 11/16, 45/64 SIZE CONT': 23/32, 47/64, 3/4", 49/64, 51/64, 25/32" 13/16", 53/64, 27/32", 55/64, 7/8", 57/64, 29/32", 59/64, 61/64, 15/16", 31/32" 63/64