IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools. IVY Classic Hi-Molybdenum Steel Drill Bits Sets, designed for drilling stainless steel, hard steel, plastic and wood, are constructed out of a Hi-Molybdenum Steel body which is wear-resistant against high temperature and abrasion as well as surface-treated for maximum lubricity. Their precision ground, straw color body is heat treated for hardness and durability. These jobber length bits feature a 135-degree split point for fast penetration and accurate starting with no center punch. This 12-piece drill set includes: 1/16, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 3/8, 7/16, 1/2-inch drill bits. Bits are clearly visible with sizes marked on a metal case with a hinged index. Shanks reduced to 3/8-inch. Made in USA.