Ka-Ku Fountain Pen Ink - Aquarium Hidden in the Stars NOTEBOOKS FOR MONOGRAMMING Built-in magnet can be clipped

Built-in magnet can be clipped on both sides to a metal furniture for smart storage

7mm ballpoint pen

Paper refills available here: Grid

Extra fine

Ka-Ku Fountain Pen Ink - Aquarium Hidden in the Stars NOTEBOOKS FOR MONOGRAMMING Built-in magnet can be clippedKa ku, which is Japanese for write, is a Japanese retailer and brand that hopes to make customers daily lives more fun through their curation of writing instruments and inks. In 2023, Ka ku began developing original fountain pen inks including inks that can be mixed together for endless ways to play. 18ml bottled fountain pen ink Suitable for writing with fountain pens, dip pens, glass pens, and other ink pens.