Cartridge and Converter Compatiblity We often get asked whether Brand A cartridges fit in a Brand B pen. Hopefully this information will help to answer that question! Brand-Specific The pens listed below will only accept their own design cartridges and converters. Attemping to fit another type of cartridge will at best result in leaks and at worst could damage your pen. Aurora Lamy Parker Pilot Sailor Sheaffer   International Standard Size International Size cartridges/converters are made to an industry standard by many manufacturers (such as Diamine, J Herbin and Private Reserve) and will fit many models as in the list below. However, some pens that take International Size cartridges may not accept a converter because the barrel is either too short or too narrow. For converters, go to our Accessories page. Caran d'Ache Cartier Conklin Conway Stewart Daniel Hechter Delta Elysee Faber Castell Graf von Faber Castell Jörg Hysek Kaweco Lalex Montblanc Montegrappa Monteverde Nettuno Pelikan Recife Retro 51 Rotring Sensa Sigma ST Dupont Stipula Visconti Waldmann Waterman (only more recent models, more details to come) Yard-O-Led The above list is by no means comprehensive. If you have any information that could help us develop the list then we would be pleased to hear from you. Back to Previous Page