6 Pneumatic devices made of metal, namely rapid action couplings, hose nozzles, fittings, valves, pressure release valves, manometers, pneumatic oilers, water separators, all for pneumatical operated equipment, particularly pneumatic grease guns and pneumatic pumps; lubrication fittings, funnels, measuring cups, canisters, oil cans, tub- shaped containers, oil spillage containment pans for barrel storage and storage tanks, all made of metal