OHTO Refill Needlepoint Multipen D1 Refill - Blue
Refill for various OHTO ballpoint pens, especially their multipens, the R-4C7NP is a 67mm 'D1' format refill suitable for most multipens and mini pens from Lamy, Faber-Castell, rotring, Parker, Tombow, Zebra and others.
67mm long, 2.4mm diameter.
The R-4C7NP is unusual in being a fine needlepoint refill with waterproof ink.
R-4C7NP fine 0.7mm refill
R-4C5NP extra-fine 0.5mm refill