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Rotring Rapidograph Ink Cartridges Black S0194640 Pack of 12 Capillary Cartridges
12 Ink Cartridge Refills for Rotring Rapidograph Pens
Innovative cartridge including the ink helix so every time it is changed, the Rapidograph pen gets a new clean helix and a new pressure equalization system for easy maintenance. Ink can be used down to the last drop. Pack of three cartridges. Not for any use on skin, including tattoos.