6 Security doors made primarily of metal, metal doors, door cases of metal, metal door bolts, door fittings of metal, door frames of metal, door handles of metal, door panels of metal, locks of metal, latch bars of metal, hardware for windows and doors, namely, screws, rods, hinges, plates, handles, stoppers, plaques and related parts, fittings, and accessories therefor, all made of metal, including wrought iron