Milwaukee SHOCKWAVE™ Impact Duty™ 3/16" - 7/8" Step Drill Bit delivers -in-class performance in impact drivers and the versatility to be used in drills as well. Featuring a 1/4-inch hex shank optimized with a Milwaukee SHOCKWAVE™ body, this drill bit ensures durability and reduces shank breaks. Its Titanium Aluminum Nitride coating provides five times longer life, while the Rapid Strike™ tip and dual spiral flute design enable drilling twice as fast. For added convenience, each bit is laser engraved with its size for easy identification. Model Number: 48-89-9244