... ,spring 2)Carbon Steel ,Aluminium, Brass, SS. rubber 3)OEM rubber fitting for hose,tube Material: Carbon Steel ,Aluminium, ... Brass, SS. rubberSurface treatment:: Zinc/Chromium/Nickel plating, Oxide coating. ... banjo fittings ,adaptors, nuts, banjo bolt, washer, clip, rubber sleeve, spring etc ,which are used for stainless steel brake ...