Milwaukee® SHOCKWAVE Impact Duty™ Driver Bits, Nut Drivers, Sockets, and Socket Adapters 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™ 26PC Drive and Fasten Set provides a fastening solution for all standard hex sizes 1/4" to 9/16".