Marvy LePen Technical Drawing Pen Set - 0.08 mm, 0.5 mm, 0.1 mm, 0.05 mm, 0.03 mm, 1 mm, 0.3 mm Pen Point Size - Brush Pen Point Style - Black Water Based, Pigment-based Ink - 8 / Pack
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Marvy Uchida LePen Technical Drawing Pens and Sets | BLICK Art Materials