Ideal for illustrations, technical drawings, manga, anime, lettering and journaling, this drawing pen produces smooth, skip-free drawing and writing, with quick-drying ink that won't smudge. Enjoy steady ink flow and rich, vibrant strokes. Great for outlines or shading with colored art markers and colored pencils, this pen also produces excellent results when used with drawing, marker, watercolor and mixed media paper.Details:BlackDurable tip (0.4mm fine and 0.8mm broad)Water based ink, Pigment inkPermanent