The Pentel Touch Brush Sign Pen SESF30C is a version of the popular and long-lived Pentel Sign Pen, but with a brush tip. The Touch Brush Sign Pen Artist adds a further dimension to the popular Sign Pen. Featuring an extra-fine brush tip, it's ideal for hand lettering, modern calligraphy, illustrations and journaling. This is the thinnest brush pen on the market – ultra fine for sensitive brushwork and a wide range of expressive strokes. Perfect for calligraphy, illustrative designs and sketches. Its new hollow core ink reservoir allows for an even smoother flow of ink. The ink is acid-free and water-based dye ink. The cap has a coloured sleeve.