Four is the most that fit side by side. Drop one to add another.
Precision
TWSBI
×
|
580
TWSBI
×
|
580AL
TWSBI
×
|
Diamond Mini
TWSBI
×
|
|
|---|---|---|---|---|
| Typical price | $90 | $86 | $79 | $66 |
| Price range | $24–$137 | $18–$137 | $62–$113 | $0.29–$137 |
| Collectors who log it | 86 | 1099 | — | 320 |
| Filling | Piston | Piston | Piston | Piston |
| Nib widths | Calligraphy · Extra Fine · Fine · Italic · Medium · Stub | Broad · Calligraphy · Extra Fine · Fine · Italic · Medium · Stub | Broad · Calligraphy · Extra Fine · Fine · Italic · Medium · Stub | Broad · Calligraphy · Extra Fine · Fine · Italic · Medium · Stub |
| Length capped | — | — | — | 125 mm |
| Length posted | — | — | — | 140 mm |
| Weight | 28 g | 28 g | 32 g | 18 g |
| Materials | brass · aluminium · stainless steel · metal | aluminium · stainless steel · resin · metal | aluminium · stainless steel · acrylic · resin | aluminium · stainless steel · acrylic · resin |
| Colourways | 6 |
10 |
3 |
8 |
| Stocked at | 7 | 6 | 6 | 9 |
Dimensions are mined from retailer listings — approximate. A dash means no source gave it, not that it is missing.