Iroshizuku Ink Cartridges Take-Sumi

Boxed set of 6 Pilot Iroshizuku Take-sumi black fountain pen ink cartridges. These proprietary ink cartridges fit all Pilot and Namiki fountain pens that accept cartridges.

take-sumi (bamboo charcoal): Take-sumi has been used in Japanese homes since ancient times as a water purifier, to control humidity levels and for its healing properties. The black emulates the deep, rich black of take-sumi, so familiar to the Japanese.