| Class | Class Name |
|---|---|
| 6 | latticework of metal |
| 6 | lead |
| 6 | lead seals |
| 6 | lead, unwrought or semi-wrought |
| 6 | leads made wholly or principally of common metal |
| 6 | letter boxes of metal |
| 6 | letter plates of metal |
| 6 | letters and numerals of common metal, except type |
| 6 | lifting slings of metal |
| 6 | limonite |
| 6 | linings of metal for building |
| 6 | links of metal |
| 6 | lintels of metal |
| 6 | liquid gas storage tanks of metal |
| 6 | liquid storage tanks of metal |
| 6 | loading and unloading pallets of metal |
| 6 | loading gauge rods of metal for railway wagons |
| 6 | loading pallets of metal |
| 6 | lock bolts |
| 6 | lock bolts of metal |
| 6 | lock cover plates |
| 6 | lockable metal boxes for cash and valuables |
| 6 | lockable metal boxes for tools [empty] |
| 6 | lockable non-metallic boxes for cash and valuables |
| 6 | lockable window handles |
| 6 | locked pipe fittings |
| 6 | locker handles of metal |
| 6 | locking apparatus of metal |
| 6 | locking devices of metal |
| 6 | locking nuts and clips of metal |
| 6 | locks of metal |
| 6 | locks of metal for bags |
| 6 | locks of metal for sliding doors and windows |
| 6 | locks of metal for vehicle steering wheels |
| 6 | locks of metal for vehicles |
| 6 | locks of metal [non-electric] |
| 6 | locks of metal [other than electric] |
| 6 | locks of metal, other than electric |
| 6 | machine belt fasteners of metal |
| 6 | made of metal for shuttering scaffolds |
| 6 | magnesium |
| 6 | magnet locks of metal |
| 6 | mail boxes of metal |
| 6 | manganese |
| 6 | manhole covers of metal |
| 6 | manifolds of metal for pipelines |
| 6 | manifolds of metal for pipelines |
| 6 | manually operated valves made of common metal for use in controlling the flow of fluid in pipe line systems |
| 6 | manufactured articles of cast iron in raw or partially worked state |
| 6 | masts and frameworks made from metal |