6 Couplings, connectors, adaptors, fittings and flow control valves of metal for use with hoses and pneumatic systems; metal hoses for air compressors; manifolds of metal for use with pneumatic systems; hanging storage racks of metal; water control valves of metal; nozzles of metal; small items of metal hardware, namely, nuts, bolts, washers, screws, split pins, swivel joints, nipples, elbows, t pieces, sleeves, plugs, sockets, bushes, rivets, anchors, u-bolts, r-clips, clevis pins, circlips for fastening, roll pins, crimps, hose clamps, grommets, terminals; tool boxes of metal; air hose reels of metal