Cotters made of metal; Drill pipe attachments, namely, metal drill collars; Furniture casters of metal; Guard rails of metal; Handrails of metal; Metal fireplace screens; Metal fireplace surrounds and metal decorative fireplace facings; Metal furnace screens; Metal picture hangers; Metal step ladders; Palings of metal; Pipe muffs of metal; Pulleys of metal, other than for machines; Rods of metal for brazing and welding; Vats of metal