Sheaffer® Fountain Pen Piston Converter Push-in Style.

This screw-action piston converter allows Sheaffer fountain pens to use bottled ink in place of fountain pen ink cartridges. It fits all Sheaffer fountain pens except those from the VFM collection.

Allows Sheaffer fountain pens to use bottled ink The converter is transparent Compatible with all Sheaffer fountain pens except VFM collection Very convenient screw-action mechanism