Fountain Pen Ink Cartridges – Ruby Red

Kaweco fountain pen ink cartridges can be used in any fountain pen compatible with international/universal ink cartridges, including Kaweco fountain pens. They can also be used in rollerball pens that take universal fountain pen cartridges.

To enjoy uninterrupted writing with your favourite fountain pen, simply unscrew the grip, pull out the empty ink cartridge, put in a new ink cartridge, and continue writing.