Rapidograph Ink Cartridges – Rotring
rOtring’s unique capillary cartridges, for the high precision Technical Rapidograph Pens
- The Rapidograph uses rOtring’s unique capillary cartridge.
- The pressure-equalization system, including the ink helix, is part of the ink cartridge which ensures that every time you change the cartridge, you get a clean new ink helix. This means that you never need to clean the ink helix and top reliability is guaranteed.
- Improved temperature stability through extra large ink-helix volume and optimum location of the ventilation opening for the best reliability.
- Ink can be used down to the last drop.
- Not for any use on skin, including tattoos.
- Ideal for tracing paper, vellum drawing paper and line board.
3 Cartridges per box.
Cartridge Colours: Black, Red or Blue