The Pentel Touch Brush Sign Pen SESF30C is a version of the popular Pentel Sign Pen, featuring an extra-fine brush tip ideal for hand lettering, modern calligraphy, illustrations, and journaling. It is the thinnest brush pen on the market, perfect for sensitive brushwork and expressive strokes, making it ideal for calligraphy, illustrative designs, and sketches. The pen has a new hollow core ink reservoir for a smoother ink flow and uses acid-free, water-based dye ink. It has a coloured sleeve on the cap.