Bruynzeel-sakura, BV Pigma 50201 Calligraphy Pen Set - Magna Comic Pro Drawing Set Pen Point Size: 0.25mm, 0.35mm, 0.5mm Lead Size: 0.7mm Ink Color: Black 1 Set. Drawing and inking set features Pigma Micron, Graphic and Brush pens. Ideal for artists and professionals. Pigma ink is permanent, archival-quality, waterproof, chemical-resistant and fade-resistant when dry. Three Micron pens include 0.25mm, 0.35mm, and 0.5mm. Use 1.0mm Graphic ink pen for fine lines, shading, textures and coloring in images.