[Materials] Equivalent to SWCH Equivalent to SUS307J3 Brass
[Surface treatment] None, Trivalent chromate, Trivalent black, Trivalent white, Bright chromate plating, Hot dip galvanized, Chromate plating, Chromate plating, Green chromate, Black chromate, Nickel plating, Chrome plating, Parkerizing, Trivalent stainless steel coating, Copper plating, German-brown plating