Steel: Grinded stainless steel 304 Stainless steel 304, powder coated according to RAL colour standard Grinded stainless steel 316 Galvanized steel, powder coated (Qualisteelcoat certificate) according to RAL colour standard Wood: Exotic IROKO wood finished with colored/colorless oil Hard, varnished wood (eg. Brazilian oak or exotic TAUARI) - only indoors