Pigma Micron Permanent Fine Point Marker is a disposable technical pen with unparalleled accuracy, detail and permanence. Pigma ink is chemically stable, waterproof and fade resistant. The Pigma Micron, with it's ultra-fine porous-point tip, is the go-to tool for fine detailing, precision, and preservation qualities. Additionally, Pigma ink it won’t smear, feather or bleed-through most papers. Ideal for artists, crafters, hobbyists, draftsmen, and engineers. 6 pens, black ink.