... Carbon Steel ,Aluminium, Brass, SS. rubber 3)OEM fitting for hose,tube Material: Carbon Steel ,Aluminium, Brass, SS. rubberSurface treatment:: ... bolt, washer, clip, rubber sleeve, spring etc ,which are used for stainless steel brake hose, brake and fuel pipe, brake ... and clutch hose, or fittings.Commodityhose fittings.MaterialMild ...