Angle irons of metal; Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of aluminium or its alloys; Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of copper or its alloys; Common metal pulls; Common metals and their alloys including stainless steel; Hardware, namely, metal brackets for general use; Metal fasteners, namely, bolts, nails, rivets and screws; Metal hinges; Metal pipe connectors; Metal pre-rinse, wash down spray nozzles fo...