Micron Fineliner Pens 12-Piece Set - Versatile and unique fine line set: 12 black pens in 12 different line widths. Includes 8 advanced stylus pens for fine drawing (0.05 mm, 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.7 mm, 0.8 mm), 3 fine-tip markers for contouring (1 mm, 2 mm, 3 mm), and 1 brush pen for colouring and calligraphing. - Waterproof: ink is waterproof, so lines do not dissolve or smudge when colouring or applying watercolors. - Designed for smooth writing: Micron fineliner pens glide across paper. The nib is made of high quality stainless steel to deliver smooth, seamless writing and a long service life on any paper. - Quality and safety: each pen is manufactured to provide an excellent user experience. The stainless steel nib resists bending and ensures smooth writing without gaps or irregularities between lines. - Practical use scenarios: - Technical drawing and diagram work with precise line widths for maps, schematics, or architectural sketches. - Illustration and contouring work, with fine to bold lines and a dedicated brush for colouring and calligraphy. - Journaling, lettering, and decorative designs in scrapbooks or planners.