Common metals and their alloys including stainless steel; Metal pipe connectors; Pulleys of metal, other than for machines; Arbors of metal; Metal bolts; Slabs of metal including those from alloy steel and titanium; Machine belt fasteners of metal; Metal nuts; High tensile metal wire; Furniture casters of metal; Spurs; Copper pipes; Welding rod holders in the nature of metal containers for storage or transport of welding rods; Mechanical fastening elements of metal; Bolt snaps of metal; Rivet...