Milwaukee Shockwave 3/4-Inch Drive to 1/2-Inch Drive Impact Socket Reducer provide tool versatility and durability in high torque applications. This adapter converts your drive tools to be used with different drive impact sockets. Milwaukee engineered these reducers 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 reducer attachment and removal.