For all our bigger rollerball writing instruments, Kaweco offers black Euro refills with a 0.7 mm (fine) line width. Its ceramic ball gives the refill an especially even ink release.
| Writing System: | Rollerball |
| Writing colour: | Black |
| Refill type: | EURO Rollerball - 0.7 mm |
| Suitable for: | DIA2, PERKEO, STUDENT |