MasterChinese Shen Yi Large Watercolor Calligraphy Sumi Drawing Kanji Brush (Jian Hao: Goat & Wolf) - (Largest) Excellent set of Jian Ho (Goat and Wolf hair) brush. Ratio of Goat versus Wolf hair is 3:7 Size largest: Diameter 0.59 inch (1.5 cm), length 2.59 inches (6.6cm) Good even for the professional Can be used to write vertical writing (Dui Lian or Chun Lian) Will not open when used.