Kaweco are world-renowned for high-quality, affordable and classic products.
Kaweco fountain-pen ink cartridges can be used in any fountain pen compatible with international/universal ink cartridges (see specs), including Kaweco fountain pens. They are also used in Kaweco Ink Roller pens.
For brands that don't take ink cartridges, use bottled ink and a converter.
Colours range from professional blues and blacks, to more experimental brown and green, and playful purple, and turquoise.
Moleskine Writing - Roller Gel Ink Refill - Fluoro