The Kaweco mini piston converter is suitable for all of the Sport series of Kaweco fountain pens.
The Kaweco squeeze converter is suitable for all of the Sport series of Kaweco fountain pens as well as the Liliput fountain pens.
The standard Kaweco converter is suitable for all DIA, Student, Allrounder and Special Kaweco fountain pens.
All the converters allow you to use bottled ink in all Kaweco fountain pens instead of standard international ink cartridges.