| Model | Noblesse Silver-Plated 18420 Mechanical Pencil 0.5mm |
| Ident No. | – |
| Writing System | |
| Writing System | Mechanical pencil with twist mechanism, with eraser |
| Nib | – |
| Features | |
| Barrel | Completely plated in silver |
| Cap | Silver-plated |
| Trim | Silver-plated rings embossed with Montblanc brand name |
| Clip | Gold-plated |
| Special Characteristics | – |