Expand the horizons of your Kaweco fountain pen and upgrade to bottled ink with the Piston Ink Converter.

There's a whole galaxy of new colour options that open up when you upgrade your fountain pen to fill with bottled inks. Not only are ink bottles more cost-effective, they come in a much wider range than cartridges, and also produce less waste. This converter expands your colour options in mere minutes, giving you a host of new ways to enjoy your fountain pen.Suitable for a range of long Kaweco fountain pens, such as the Special, Student, Supra and Perkeo ranges.