Ohto's Pencil Ball Pen Refill works perfectly with the Pencil Ball Pen 1.0.
Materials: A fine 1.0 mm nib
Made by: Ohto
Made in: Japan
Specifications: 1 mm nib
Further Reading: Ohto was established in 1929 as a manufacturer of dyes and ink. In 1949, the company became famous as a pen manufacturer after they manufactured the world's first ball point pen with chrome ball.