This small piston Kaweco converter will fit in all Kaweco Sport pens (AL Sport, Brass Sport, Classic Sport, ICE Sport, and Skyline Sport), allowing you to easily use bottled ink instead of ink cartridges. It does not fully fit into the Liliput. It holds up to 0.5ml of ink.

* Fits for all Sport series.
** AL Sport and AC Sport only from construction year starting 2016.