Grey Pneumatic Impact Sockets Made of high quality steel (chrome-molybdenum). Thorough and exact heat treatment ensures the correct balance of strength and durability. Features both etched and roll stamped size markings for quick identification. Fractional and metric sizes are available; including, axle/spindle nut, budd wheel, combination budd wheel, deep length, external, extra-deep, extra-long length, heavy-duty, magnetic, semi-deep length, square female/male pipe plug, standard length, surface drive, and universal styles. Pack of 1