... :3/8", 1/2", 3/4" Small orders accepted Forged brass straight radiator valve with lockshield, 1, Size:3/8", 1 ... /2", 3/4"2, Material: brass, you could choose the specification of brass3, Surface treatment: nickel ... the depositeProduction step:1, Smelting the brass bars and making the hot forging2, Machining and CNC processing3, Assembling4, Pressure test and quality ...