Cold Steel is part of the Keystone Formula fountain pen ink line, our traditional dye-colorant ink. The 50mL volume will provide approximately 62 standard converter refills assuming a 0.8mL draw. Our ink swatch is produced with a cotton swab on Tomoe River paper.
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Great quality inks. It takes a while to receive them after ordering- they are a small business and the inks are not mass produced- but they are absolutely worth the wait!
Meg · April 21, 2024
Cold steel is a gorgeous blue ink.
Rachel · September 19, 2023
Love the consistency, the color and how quick it dries.
