Westward 4UHE9 Impact Socket Impact socket with a 3/4 in. drive size fits most impact wrenches and ratchets. Its high-torque design makes it ideal for breaking loose stubborn fasteners, and its steel construction ensures that it can withstand heavy-duty use and harsh environments, including construction, manufacturing, and automotive repair. Drive Size / 3/4 Inch Number of Points / 6 Overall Length / 2-3/16 Inch Finish / Black chrome Material / Heat Treated Alloy Steel Standards / Federal Specification GGG-W-660A, ANSI B107.14