This Tombow ABT Brush Pen offers dual tips for versatile use and precise strokes. The flexible brush tip allows for varying line widths, perfect for calligraphy and lettering. The fine bullet tip provides clean and controlled lines for details and sketches. The pen is water-based and acid-free, making it safe for all types of paper. With a wide array of colors, this pen is ideal for creating vibrant and beautiful designs. Bring out your creative side with this high-quality brush pen, perfect for both beginners and professionals alike.