Trodat Replacement Ink Cartridge 6/9430 - pack of 3
Replacement ink cartridges are available in black, blue, green, red and violet. The ink is hygroscopic, meaning that it self regulates by absorbing the humidity of the surrounding air so that it does not dry out, allowing prolonged usage. Replacement of the ink cartridge is made easier and cleaner thanks to special grips avoid touching the cartridge insert.