Home Amazon Goldbox deals Amazon: rOtring Isograph Technical Drawing Pen, 0.20 mm Amazon Goldbox deals Amazon: rOtring Isograph Technical Drawing Pen, 0.20 mm By ARCOM - 20 February 2017 311 0 SHARE Facebook Twitter Amazon Goldbox Deal: List Price: $47.46 Deal Price: $20.39 You Save: $6.92 (25%) rOtring Isograph Technical Drawing Pen, 0.20 mm Expires Mar 6, 2017