This is a high-quality fountain pen converter from Platinum Co., Japan. This silver-accented converter turns your Platinum cartridge pen into a plunger fountain pen. It fits onto any Platinum cartridge/converter...

This is a high-quality Piston-style twist fountain pen converter from Pilot, Japan. Fits all current Pilot and Namiki pens. Four small metal agitators inside the barrel help break up air...

This is a high quality push-button style fountain pen converter from Pilot, Japan. Fits many larger Pilot pens including Custom 74, Explorer, Justus 95, Kakuno, Metal Falcon, and many Namiki...

This is a high quality fountain pen converter from Faber-Castell, Germany. Plug-in style, suitable for all fountain pens that take international standard converters/ink cartridges. Plastic barrel featuring a nickel-plated metal...