We often get asked whether Brand A cartridges fit in a Brand B pen. Hopefully this information will help to answer that question!
The pens listed below will only accept their own design cartridges and converters. Attempting to fit another type of cartridge will at best result in leaks and at worst could damage your pen.
International Standard Size
International Size cartridges/converters are made to an industry standard by many manufacturers and will fit many models as in the list below. If your pen doesn't appear in the list it is still quite likely that it takes standard size cartridges. These cartridges are 38mm (1.5in) long and taper slightly.
Examples of suitable converters can be found on by selecting standard cartridge filter on this page. However, some pens that take International Size cartridges may not accept a converter because the barrel is either too short or too narrow.
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.
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