Feature●Water-based pigment ink drawing pens produce smooth, skip-free drawing and writing with no smudging - ink dries instantly●Create precise, detailed drawings with three tip sizes - 01, 03 and 05●Ideal for illustrations, technical drawings, manga, anime, lettering and journaling●Durable nibs will withstand firm pressure without bending tips, ensuring steady ink flow●Black ink, non-refillableDescription Tombow 66403 MONO Drawing Pen, 3-Pack. Create Precise, Detailed Drawings with Three Tip Sizes – 01, 03 and 05