Strong and precise, the Craftsman 78-piece Impact Socket and Accessory Set contains 3/8 in. and 1/2 in. Drive 6-point Impact Sockets and is designed for use with impact drive tools. The 6-point configuration helps to reduce the rounding of fasteners under high-torque applications. The industrial grade black oxide finish provides added durability and prevents corrosion. This set has you covered with tools that deliver serious torque.