Stainless steel; Metal nuts; Metal screws; Metal threaded fasteners; Mechanical fastening elements of metal; Metal door fasteners; Tool and tool accessory trays made of metal sold empty and parts and fittings therefor; Tool and tool accessory boxes made of metal sold empty and parts and fittings therefor; Structure joint connectors of metal; Ring-shaped fittings of metal; Metal hinges; Metal pipes and metal fittings therefor; Common metals and their alloys including stainless steel; Metal sea...