Rotring Rapidograph Ink Capillary Cartridges Black S0194640
Ink 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.