The ink formulas used in our corresponding ink bottles for these colors are the same in the cartridges.
These are considered "international short standard" cartridges and fit in many styles and brands of fountain pens including all Franklin-Christoph models.
Sold in tins with 10 carts includ
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Really nice ink and tin! Can even fit Sailor and other cartridges
T
The Twins · May 22, 2026
Really nice ink and tin! Can even fit Sailor and other cartridges