This socket is used to connect the pressure washer hose to the pressure washer spray gun.
The female pipe thread will screw onto each end of the hose. The quick connect socket will allow you to connect your pressure hose to the gun ( at one end ) and the machine ( at the other). Also used to connect several lengths of pressure hose together
Note* always use teflon / thread seal tape when installing onto the hose and be sure to install a new o - ring in coupler end.