Refills and choice of inks are essential for fine writing. Pick your own ink and use either ink cartridge or ink converter and fill with ink from bottle.
ACME Fountain Pen Conversion Kit
Converts ACME Standard Rollerballs into a fountain pen
German made Medium nib made of stainless steel
ACME Conversion Kit comes with a reusable ink converter
Compatible with Pelikan TP/6 ink cartridges