Manufactured With Heat Treated HSS Coated With Titanium Nitride Drills Sizes: 3/16" to 7/8" in 1/16" Increments Two Flute Design For Faster, Smoother Cutting Ten Sizes With Just One Bit For Drilling Holes in Thin Material Such as Steel, Stainless Steel, Copper, Alum Self-Starting, No Walking & Center Punch is Not Required
