Metal thread adapters for use with hydraulic and pneumatic systems; Metal threaded fasteners; Metal pipes and metal fittings therefor; Pipe fittings of metal; Corrosion-resistant metal overlays and alloys for fittings, steel plates, flanges, piping components; Tool and tool accessory trays made of metal sold empty and parts and fittings therefor; Industrial metal hoses; Fittings of metal for compressed air hoses; Metal pipe fittings for compressed air pipes; Fittings of metal for compressed a...