[Materials]Steel SNB, SWCH-equivalent, stainless steel SUS304J3-equivalent, SUS310S, SUS316, SUS316L, titanium, and brass
[Surface treatment] None, electroless nickel plating, trivalent chromate, trivalent black, trivalent white, bright chromate plating, molten zinc plating, chromate plating, chromate plating, green chromate, black chromate, nickel plating, chrome plating, Parkerized, Dacrotized, Disgo treatment, brown bronze plating, Lafre, ALOK loosening-prevention agent applied, black paint.