The classic GFKP3-A fude brush pen with man-made bristles, it offers the versatility of a paintbrush with the convenience of a pen by creating fine to broad lines within a single stroke. A popular tool for all kinds of line work, including sketching, line-and-wash, cartoons and lettering, it's especially good for Manga-style art and Oriental calligraphy. Because it's clean to use and pocket-safe, it's great for art on the move! Cartridges contain water and fade-resistant pigment ink. 4 ink cartridges supplied. Refill with FP10 cartridges.