Features a 12mm Hi Flow Nozzle with twice the flow of a normal nozzle and "Grip N Lock" technology - Hose fittings that are removable but will not let go off the hose, they feature a sharp olive with sharp teeth that lock on to outside of the hose. They also have a longer tail and a sharp barb that lock onto the inside of the hose. In combination they form a connection that simply will not let go.