... male, bolt and nut, washer,union,spring 2)Carbon Steel ,Aluminium, Brass, SS. rubber 3)OEM fitting for hose,tube ... Material: Carbon Steel ,Aluminium, Brass, SS. rubberSurface treatment:: Zinc/Chromium/Nickel plating, Oxide coating.Colour : ... spring etc ,which are used for stainless steel brake hose, brake and fuel pipe, brake and clutch hose, or fittings.Commodityhose ...