| Model | Noblesse Blue Marbled 18440 Mechanical Pencil 0.5mm |
| Ident No. | – |
| Writing System | |
| Writing System | Mechanical pencil with twist mechanism, with eraser |
| Nib | – |
| Features | |
| Barrel | Marbled in Noblesse lacquer in blue |
| Cap | Blue marbled |
| Trim | Gold-plated rings embossed with Montblanc brand name |
| Clip | Gold-plated clip |
| Special Characteristics | – |