Italian made OMG petcock for bikes with 16x1.0mm MALE threads on the gas tanks. Fuel valves have ON/OFF/RES with 8mm hose barbs. These chromed valves screw on with L/R threaded 16 X 1.0mm nuts. Petcocks can be used on many Italian bikes as well as some Triumph and BMW models. Please check your fuel valve threads before ordering. !!!Sold Each !!!