ACME Rollerball Refill
Refill your ACME Rollerball with 888 "F" Rollerball Refills, black or blue OR convert your Roller ball into a Fountain pen

ACME Fountain Refill
ACME Fountain Pen Conversion Kit converts any of ACME Standard Rollerball pens into a fountain pen. The Conversion Kit comes with a reusable ink reservoir (converter). But it is also compatible to International Short ink cartridges e.g. Pelikan TP/6. Caran d’Ache & Kaweco.