Description The Herbin international piston converter is for use with most pens that accept the international cartridge-converter system. This converter is a little shorter than several other international converters, so it may fit into pens with shorter or tapered barrels. Please note that this will not fit in the Herbin rollerball or fountain pen barrels. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.
