Kaweco Cartridges are international short style and come in 13 colors that works well with fountain pens. The cartridges are 7mm in diameter, 38mm in length, and had a capacity of .7ml of Ink.
International cartridges will work in: Acme, Bexley, Caran d’Ache, Conklin, Conway Stewart, Delta, Diplomat, Faber Castell, Kaweco, Montblanc, Montegrappa, Monteverde, Pelikan, Pentel, Retro 51, Rotring, Schmidt, Sheaffer, S.T. Dupont, Stipula, Taccia, Tombow, Visconti, Waterman.
Check out Vanness for your Ink cartridge needs, we have a wide selection ink cartridges styles and colors, we surely have something that will fit your writing ink needs.