Fudan Kiyodoshi (Toyobashi Brush/Traditional Crafts) Writing Book Suitable for Grass Writing Head Size: Length 2.2 inches (55 mm) x Diameter 0.4 inches (9.5 mm); Main Material: High quality fine light (wool), sheeptail and sheepskin tail that is suitable for the waist and easy to handle. A beautiful Dutch buffalo is used on a calm navy blue axis.