This impact socket features a locking pin retainer which is a spring loaded pin
Made from high quality chrome-molybdenum steel
Heat treated for strength and durability
Size markings are hard stamped into the socket for easy identification
Black oxide coated for resistance against rust and corrosion
Impact Universal Joint, 1/2 in.; Drive, with Locking Pin Retainer. To use, line up with the socket retainer hole and press pin. To release the socket, insert object through the retainer hole and press the locking pin.