NO RUSTING! our garden hose shut off valve is made out of a combination of strategically placed hardened PVC plastic and zinc, and will never rust.Put hose connectors between two hoses conveniently shut off water at the end of the hose without having to walk back to the spigot shut the water on and off.Package Includes 4 hose shut-off valve with rubber gaskets and extra 8 rubber gaskets. When you installation, make sure that it be tightened, but not super tight or else you will crush the gasket.With the TPR rubber coated body, the turn off valve body is anti-slip, which means you can grip it even with wet hands!Simply give a quarter turn and you have water! The water valve thread have well cut to change out any spraying device. and the lever ball easily control the flow.