Technical Pens

Rotring Rapidograph

The Rapidograph pen requires the use of cartridges.
Available in 0.13, 0.18, 0.25, 0.35, 0.5, 0.7 and 1mm.

Rotring Isograph

The Isograph pen has an ink well which is refillable.
Available in 0.13, 0.18, 0.25, 0.35, 0.5, 0.7 and 1mm.