BanjoFittings for Brake Hose. This is Stainless Steel material Banjo Fitting This is Aluminium Banjo Fittings Some different styles banjo fittings ___ ____ ___ Material:Carbon Steel,Aluminium,Brass,SS. Surface treatment:Zinc/Chromium/Nickel plating,Oxide coating. Color:army green,red,white,blue,yellow,black,gold,silver,etc. the banjo fittings for brake hose.