Our SHOCKWAVE Impact Duty™ 3/8" Drive to 1/2" Drive Socket Adapter provides you with tool versatility. These adapters convert drive tools to be used with ¼”, 3/8”, and ½” drive tools and sockets. Milwaukee engineered these adapters with forged steel for durability in high-torque applications. The laser-etched size markings allow for easy size identification. The dual-hole design and ring groove make for easy adapter attachment and removal. All MILWAUKEE® SHOCKWAVE Impact Duty™ Socket Adapters meet ASME industry standards.