Barnwell 21mm Bi-Hex Impact Scaffold Socket 1/2" Drive 52mm Long for Ratchet Gun

This is a Barnwell 21mm impact scaffold socket
The socket is bi-hex (12 point)
The socket is 1/2" Square drive to use on most impact drivers.
The socket shallow at 52mm in height
The socket will need to be used with a pin and an O-ring which is Not included