It can be connecting and disconnected without tool Simply slide the Cams adapter into the Cams coupling with normal hand pressure, then press the Cams levers down Make of, strong and enduring, none rusts, more suitable for drinking water Builted in resistant gasket, Cams fitting actually prevents fluid leaks Cams couplings provide a fast, easy and methods for connecting tanks, hoses and piping in a ranges of common fluid transfer related applications such as water and oil Quick hose Cams couplings can connecting / disconnecting hose to tanks, pumps or other equipment in a faster way, Manufacturer: LiRRvb