OHTO's R-4C7NP is a compact 0.7mm ballpoint pen refill featuring their famous precision needle point tip.
It is the stock pen cartridge for the OHTO MULTI-B 2+1 Brass Pen.
Available in Black and Red inks.
Pen sold separately.
- OHTO Minimo Ballpoint pen
- Kaweco Sport and Liliput series Ballpoint pens