6 Common metals and their alloys; transportable buildings of metal; non-electric cables and wires of common metal; pipes and tubes of metal; safes; goods of common metal, not included in other classes, namely, ducts of metal for ventilating installations, containers of metal for storage, transport and packaging, cladding of metal for construction and building, fittings of metal for building, namely, metal pipe fittings and metal hose fittings, clamps of metal and wainscoting of metal; identification bracelets of metal, boxes of common metal, steel strip, bindings of metal, namely, binding screws of metal, metal house letters and numerals of common metal, letter boxes of metal, metal bolts, metal nails, namely, tacks, fittings of metal for doors, metal door bolts, door or window handles of metal, metal door or window springs, non-electric metal door or window openers, namely, non-powered door actuators, non-electric, metal spring locks, metal tiles, metal tie plates, grilles of metal for security purposes, hinges of metal, ferrules of metal for handles, metal padlocks, identity plates of metal, fittings of metal for building, namely, door or window fittings of metal, cash boxes of metal, metal safety cash boxes, chests of metal, metal bells, couplings of metal for chains, metal hardware, namely, hooks, locks of metal, other than electric, locks of metal for vehicles, locks of metal for bags, latch bars of metal, metal lock bolts, box fasteners of metal badges of metal for vehicles, rings of common metal for keys, keys, sheets and plates of common metal, registration plates of metal, namely, license plates, identity plates,signaling panels, namely, non-luminous and non-mechanical metal signs, sliding bolts of metal, signboards of metal safety chains and rings of metal