Rotring Isograph. Rotring Isograph Pen - 013 mm 4000 12. The rOtring Isograph Technical Drawing Pen is a high precision technical pen designed to provide you with flawless lines.
Wear-resistant hard chrome-plated thin tip allows working in exquisite detailRefillable ink reservoir ideal for frequent drawers using bottle inks. Quality The best possible products for your creative needs. Improved temperature stability through extra large ink-helix volume and optimum location of the ventilation opening for the best reliability.
High precision technical pen with refillable ink reservoir in 13 line widths.
The rOtring Isograph Technical Drawing Pen is a high precision technical pen designed to provide you with flawless lines. ROtring Isograph Technical Drawing Pen Liquid Ink 23 ml Black. The rOtring Isograph Technical Drawing Pen is a high precision technical pen designed to provide you with flawless lines. The rOtring Isograph Technical Drawing Pen is a high precision technical pen designed to provide you with flawless lines.