Selection of 3 Pigma Micron 05 fineliners in the colours Black, Cool Gray and Light Cool Gray (linewidth: 0.45 mm). With these buildable grays you can add shading, depth, visual accents and layering effects to illustrations, drawings, bullet journal spreads and so much more. About Sakura Pigma Micron Pigma Micron is the world's first professional-quality fineliner with water-based pigment ink. Pigma ink dries quick, is bleed proof and waterproof once dry. Suitable for all light-coloured paper surfaces. The long metal tip makes the fineliner ideal for use with rulers and templates.