Alloys used for casting; Aluminum alloy; Bolt snaps of metal; Bolts of metal; Brackets of metal for furniture; Cast iron; Cast steel; Clevis fasteners of metal; Floating docks of metal, for mooring boats; Grease nipples; Handrails of metal; Metal castings; Metal hardware for use in descending ropes, namely, belay devices; Metal hinges; Metal hooks; Tubes of metal; Washers of metal for use in descending ropes