Rotring Isograph Technical Drawing Pen

Isograph technical drawing pens from Rotring designed for precision drawing. These pens are made for writing on tracing paper or drafting paper. They have a pressure equalization system to keep ink flow consistent as well as a refillable ink reservoir.

• Technical drawing pens for maximum precision
• For drawing on vellum, drawing paper and tracing paper
• Wide range of nib sizes available
• Easily refillable ink reservoir