Bed casters of metal; Common metals and their alloys including stainless steel; Common metals, unwrought or semi-wrought; Door fittings of metal; Fittings of metal for beds; Fittings of metal for furniture; Furniture casters of metal; Metal casters; Metal fasteners for scaffolds; Metal hardware, namely, springs; Pulleys of metal, other than for machines; Ring-shaped fittings of metal; Scaffolding of metal; Screw rings of metal; Valves of metal, other than parts of machines