Traditional dye colorant ink delivers vibrant, consistent color for writing and drawing
50ml bottle provides approximately 62 standard converter refills for long-lasting use
Produces a distinctive swatch on Tomoe River paper for visual effect enthusiasts
Archival quality formulation preserves artwork and documents over time
Summarized by Shop
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.
Volume
50 ml
Refill Estimation
Approximately 62 standard converter refills (0.8 ml draw)
Ink Type
Dye colorant
Swatch
Cotton swab on Tomoe River paper
Summarized by Shop
5.0
6 ratings
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1
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.
