OHTO needle-point refill – R-4C7NP


  • OHTO
  • Made in Japan
  • Needle-point refill
  • Size: 0.7mm
  • Line width: 0.35mm
  • Ink: Soft Ink
  • Available color: Black, Blue, Red
  • Length: 67mm
  • Diameter: 2.3mm
  • Weight: 1 gram
  • Material: Stainless Steel


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OHTO needle-point refill – R-4C7NP

OHTO needle-point refill – R-4C7NP, fine needlepoint refill with waterproof ink, suitable for various OHTO ballpoint pens, especially their multi-function pens.

R-4C7NP is a 67mm ‘D1’ format refill suitable for most multi-function pens and mini pens from Lamy, Faber-Castell, Rotring, Parker, Tombow, Zebra and others.



Established in 1929 in Tokyo, OHTO CO.,LTD. is credited with many technical inventions.
1949 – OHTO manufactured the world’s first pencil-shaped ballpoint pen with chrome ball. This is the first MADE IN JAPAN ball point pen.
1960 – OHTO developed a non-smudging, fade resistant ballpoint pen ink.
1963 – OHTO manufactured world’s first water-based ball point pen (present day Roller Pen).  In the same year, they launched the ballpoint pens with tungsten carbide balls using polyamide resin (first in the world).
1977 – They are also the first in the world to introduce rubber grip pen.
2000 – OHTO manufactured single-block strong Needle Tip.