The Pigma Micron set of basic colors from Sakura consists of 6 fineliners with a line thickness of 0.45 mm in the colors black, red, blue, green, brown, and purple. The pens contain high-quality pigment ink and are suitable for handwriting, journaling, Zentangle, and more. The different line widths allow for the application of various writing and drawing styles. The ink flows smoothly across the paper, dries quickly, does not smudge, and has a beautiful intense color. For these reasons, the fineliners are often used for technical and artistic illustrations. You can use the pens on almost any porous surface. The unique Pigma ink is permanent, waterproof, fade-resistant, and lightfast. Additionally, the ink is pH-neutral and resistant to chemicals. Pigma Micron pens are available in various colors.