Coupling sockets

The socket is the female half: it sits on the line, on the reel or on the wall tap and stays there. You push a plug in and the balls lock it. Pull the ring back and the plug comes out.Look at the connection side. Thread goes on a fixed point, push-on onto plastic tube, and a hose tail into rubber hose with a clamp around it. The profile at the front decides which plugs will fit.