Kaweco, Mini Convertor for Fountain Pens
The Kaweco mini converter fits most standard universal fountain pens and is designed specifically for pens with smaller barrels such as the Kaweco Sport fountain pens. The converter has a plunger fill system that measures 1 3/8" when compressed and 2" in length when fully drawn out. The exterior diameter of the converter is just under 1/4". Because the Kaweco mini converter is designed for short length barrels it has only 0.5 ml of ink capacity.