Check the listing for details. Drill Hog® Step Drill Bit 1/8"~7/8" M7 UniBit Steps HI-Molybdenum M7 Warranty. Condition: New. Listed at 14.24 USD. Drill Hog® 1/8" to 7/8" Pig Steel M60 Step Drill Bit Includes: 1/8" to 7/8" (13 Step Sizes) Step Sizes: 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" Specifications:HI-Molybdenum M7 SteelMulti Step BitTri-Flat Shank Hex Shank Fits Impact Drivers and Cordless Drills Dual Flute Design Cuts Faster and Deburrs While you Drill Tri-Flat Shank will Not "Spin" in the Chuck Lifetime Warranty Drill Hog® is proud to release the our newest technology in drill bits. These bits are made from our proprietary HI-Molybdenum M7 Steel. These drills are made from HI-Molybdenum M7 steel which has a melting point of 4,753° degrees Fahrenheit! These bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more! Drill Hog® includes a Lifetime Warranty to the original purchaser. Take the Drill Hog® Challenge! Drill Hog® Drill Bits will out perform and out last any bit you are using now! Put them through the test! Try them out for 60 days and if they don't out perform your current drill bits, we will give you a 100% refund! No questions asked!