Designed to work with Grey Pneumatic's 1/2" drive sockets and socket sets
Features a spring loaded locking 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
1/2" Drive x 5" Extension w/ Locking Pin. To use the locking pin, simply line up with the socket retainer hole and press the pin. Then the release the socket, insert the object through the retainer hole and press the pin.