Brass Ball Valves Raw material:Valve Body :H58/H59,Handle:Steel Thread:M X F Surface:Nickel Plating,Chrome Plating Feature Of Brass Ball ValvesRaw material:Valve Body :H58/H59,Handle:SteelThread:M X FSurface:Nickel Plating ,Chrome PlatingWork medium:Water,GasApplications: Plumbing pipe,easy and convenient installation