If you are looking for a detail pen and outstanding ink, this is the pen for you! The fine line Microns include a metal sheath to protect your tip when drawing along ruler edges. The Brush tip is a soft tip, creating a more natural brush-like affect. The ink in each of these pens is waterproof, alcohol ink proof, and archival. A go-to for technical drawing and artisits alike!
From the manufacturer:
When accuracy, minute details, and preservation count, the unparalleled archival quality of Pigma Micron pens makes them everyone's first choice. Artist, writers, and illustrators reach for Pigma Micron to convey their personality, style, or feelings, and to safeguard their work with the lasting quality of Pigma ink. The first disposable technical pen using archival pigmented ink, Pigma Micron ink pen is selected for fine-point technical and artistic applications requiring top quality capabilities.