|Grey Pneumatic 1129UJ 3/8" x 3/8" Universal Joint Fractional 3/8" Drive Impact|
Drive universal Joints
A spring loaded steel ball that lines up with the socket retainer hole. Use caution when using this system because the socket is held in place only by spring pressure on the steel ball.
Size: 3/8 x 3/8
Socket Retention Device: Friction Ball
Drive End: .94"
Socket End: 1.02"