6
Letters and numerals of common metal, except type; Door openers, non electric; Door guards; Knobs of metal; Door frames of metal; Security chests; Door handles of metal; Keys; Padlocks; Cotter pins; Door knockers; Rings of common metal for keys; Brass, unwrought or semi-wrought; House numbers of metal, non-luminous; Window fittings of metal; Window and door handles of metal; Ironwork for doors and windows; Fittings of metal for building; Door and window frames of metal; Sills of metal; Runners of metal for sliding; Latch bars of metal; Catches; Letter boxes of metal; Tool chests of metal (empty); Signboards of metal; Locks of metal for vehicles; Locks of metal, other than electric; Bolt locks; Turning locks for windows of metal; Spring locks; Window stops of metal; Closures of metal for containers; Box fasteners of metal; Door springs, non-electric; Door closers (not electric); Latches; Spring locks made of metal; Hinges of metal
9
Electric alarm installations; Anti-theft alarms; Sound alarms; Theft prevention installations, electric; Electric door closes; Encoded identification bracelets, magnetic; Magnetic cards (encoded); Integrated circuit cards (smart cards); Magnetic encoders; Identity cards, magnetic; Peepholes [magnifying lenses] for doors; Electric locks
20
Door handles made of porcelain; Door and window fittings, not made of metal; Furniture fittings, not of metal; Plastic key cards, not encoded; Letter boxes, not of metal or masonry; Locks (other than electric), not of metal; House numbers of metal, non-luminous; Locks, not of metal, for vehicles; Latches, not of metal; Hinges, not of metal