Milwaukee® SHOCKWAVE™ Impact Duty™ Driver Bits are engineered for extreme durability and up to 10x life. Made from proprietary steel and heat treated to control hardness, the SHOCKWAVE™ Impact Duty™ Driver Bits feature an innovatively designed geometric shock absorption zone to extend life. The forged tip allows for a secure grip and maximum contact eliminating stripping or slipping. TORX® is a registered trademark of Acument Intellectual Properties, LLC.