Metal pipe fittings; Metal hose fittings; Metal joinery fittings; Metal plug; Metal tubes and pipes; Metal tube, pipe, and hose fittings, couplings and connectors, for use in hydraulic systems, namely, plugs, seals, o-rings, flanges, swivels, swivel adapters, swivel ends, connections, sleeves, caps, reducers, unions, flares, nuts, and ferrules; Metal nuts for industrial, commercial, or household use, namely, flare nuts, inverted flare nuts, JIC tube nuts, o-ring face seal nuts, metric hex nut...