Size: Inner diameter approx. head thickness 0.7 x head length 1.5 x total length 9.8 inches (0.7 x 3.7 x 25.0 cm); Material: wool and other blends; High-quality wool combined with strong material. It expresses a powerful 3D curature. Recommended as a brush for the predictable name, medium or broad stroke. It is also recommended for Kanji Chinese Chinese Character and Multilets. Each ingredient is well mixed together with ink, and the tip of the tip is not overpowered. Recommended for projects that utilize the sharpness of the tip. This brush is made with water resistant buffalo shaft, and has excellent durability.