Features and Benefits: Works with Grey Pneumatic’s 3/4″ sockets and socket sets; Features a friction ball, which is spring loaded steel ball that lines up with the socket retainer hole; 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 Extension, 3/4 in.; Drive, 13 in.; Long, with Friction Ball