Review: Rotring Isograph Technical Pen

Rotring Isograph is a durable refillable technical pen that comes in 13 different line widths. They can create uniform lines easily, great for detailed or technical drawings.

Text review:
http://www.parkablogs.com/content/rotring-pens-i-bought-isograph-05-07

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Видео Review: Rotring Isograph Technical Pen канала Teoh Yi Chie