Easyou Hu Brush Chinese Calligraphy Sumi Drawing Brush Mixed Hair(Wolf+Goat Hair) 0.955cm(0.37"1.97") hsxy M Professional for regular freestyle painting, sumi drawing, calligraphy in regular, running, cursive script. Bamboo shaft. Size:medium. Made of horse hair+pig hair+goat hair(jianhao) by hand. . Diameter*Hair length=0.95*5cm(0.37"*1.97") Hu brush. Authentic brush mill supply for some famous calligraphy academes.