Milwaukee Shockwave Impact Duty™ Insert 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. Broadly targeting cordless users, the Shockwave Impact Duty™ accessory line is not only ideal for heavy duty impact applications, but delivers a full system solution for all the user's drilling and fastening needs.