Milwaukee® Shockwave Impact Duty™ Drill Bits and 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 . The Shockwave™ Impact Duty Hex Drive Drill Bits feature the Milwaukee Thunderbolt® web for durability and chip removal paired with taper-fit construction for a stronger bit with less wobble . The drill bits include a 135. split point to allow the bit to start on contact and eliminates walking . 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 . 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 .