Precise archival pens create fade resistant, waterproof, bleed free marks for drawing, artwork, journaling, and more Includes 6 black ink Pigma Micron pens in point sizes 005 (0.20mm), 01 (0.25mm), 02 (0.30mm), 03 (0.35mm), 05 (0.45mm), and 08 (0.50mm) Pigma Micron ink is pH neutral, quick drying, and approved by ACMI toxicologists; pens have AP certification seal Single pigment ink prevents color variations; pens feature durable plastic body and smooth grip for comfort Japanese quality Sakura Pigma Micron pens deliver consistent results for manga artists, graphic designers, and crafters