Rotring Isograph Pens are instruments created for engineers and architects, manufactured and designed with precision for optimum performance. Isograph pens offer Rotring’s exclusive technology in select line widths in compliance with ISO standards.
Available in many sizes:
0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 1.00mm
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