Sailor Ink Cartridges - Souboku Nano Blue-Black Carbon chronicle the Natural features their beloved

the Natural features their beloved extra-firm graphite

Clip available in gold or silver - sold separately

Compatible with Kaweco cartridges (International Standard Short Cartridges)

and it's easy to see why

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Sailor Ink Cartridges - Souboku Nano Blue-Black Carbon chronicle the Natural features their belovedSailor Ink Cartridges Souboku Nano Blue Black Carbon Sailor proprietary fountain pen ink cartridges for on the go ease. These high quality nano ink are produced to create an ultra dark, deep line. 12 cartridges in a pack. Also available in Kiwaguro (Ultra Black), and Seiboku (Ultra Blue Black). For a more detailed review of this ink (in bottled form), please check out our blog.