Gas Jet 42 Size 0.42mm LPG GAS INJECTOR JET NOZZLE 42 Orifice M6
Will work for Propane G30, Butane G31, Calor. GAS LPG JET NOZZLE INJECTORFOR CONVERTING YOUR NATURAL GAS APPLIANCE TO LPG. Thread Size M6 x 0.75. SIZE IS: 42 Orifice Size 0.42mm. There is a +/- tolerance of 0.07mm allowed on jet sizes.