Rotring made their name through high quality technical drawing pens, and this continues today, with their Rapidograph and Isograph ranges.
The RotringRotring Rapidograph and Isograph pens both serve the same purpose, and both have steel technical drawing nibs, the only difference between the two is that the Rapidograph uses an ink cartridge, and the Isograph is refilled from ink bottles.
Replacement nibs for Rotring Isograph technical pens.
Technical drawing pens with a refillable ink reserve.
