Milwaukee® SHOCKWAVE™ Impact Duty™ 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™ socket adapters provide fastening capabilities with all impacts. 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.