Koh-I-Noor Rapidograph Ultradraw Black India Ink
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Regular price $ 7.75
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Ultradraw ink was created to provide technical pen users a rich, non-smearing, black India ink with a long open time for non-clogging. It is waterproof, dries quickly on all drawing surfaces, and is also suited to airbrushes, crow quills, and calligraphy pens. In a .75 oz. filler bottle.