Pack of 6 sepia disposable ink cartridges for Pilot fountain pens. They are proprietary, so they will only fit Pilot pens.
Will fit in the Pilot Kakuno, available in Clear and White/Blue
Ohto Pen .7mm refill for Needle Point Horizon
Kaweco Pearl Black Fountain Ink Cartridges
Energel Tradio Gel Pen Refill: Black - Craft Design Technology
Refill: Sierra and Midori Brass
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