One piece construction with resin pin.

• Retaining rings are used to help secure sockets onto drive tools. They are not intended to bear any load as the rotational forces are between the drive tool and the socket.

• The resin crush gauge on the pin indicates when a socket or square drive is excessively worn and should be replaced.

Socket Groove Diameter: 3-5/8” (95mm)
Use with Proto 1-1/2″ Drive Impact Sockets: PIN/RING RETAIN FOR 1-1/2” SKT