Pigma Micron pens are waterproof and permanent fineliners that are loyally used by designers, scientists, archivers, manga artists, cartoonists, illustrators and hobbyists. The fine nib makes this pen ideal for creating both technical and artistic drawings. · Waterproof and fade resistant · Odourless, non-toxic and acid-free · Permanent - archival quality pigmented ink · Ink dries quickly - making it perfect for left-handers · Bleed proof ink won't feather or spread when applied to paper · Ink does not bleed through the thinnest paper · The barrels feature a convenient pocket clip · Ideal for creating both technical and artistic drawings · 10 nib sizes available in the black Pigma Micron · Line widths in black: 003 = 0.15mm, 005 = 0.20mm, 01 = 0.25mm, 02 = 0.30mm, 03 = 0.35mm, 04 = 0.40mm, 05 = 0.45mm, 08 = 0.50mm, 10 = 0.6mm & 12 = 0.7mm · Made in Japan