The Rotring IsoGraph Junior set comprises 3 x isograph pens (0.20mm / 0.30mm / 0.50mm), 1 x Tikky mechanical pencil (0.5mm), and 4 isograph ink cartridges.
IsoGraph Technical Pens - High precision technical pens with refillable ink reservoir, in 13 line widths.
- Wear-resistant, hard chrome-plated thin tip allows working in exquisite detail
- Refillable ink reservoir ideal for frequent drawers using bottle inks
- Patented push-on sleeve for easy access to the ink helix and for fast cleaning
- Ink level is clearly visible
- Ink bottle not included
- Can be used on a variety of surfaces such as lineboard, tracing paper or vellum drawing paper