Features: Premium quality: Wool brush handle made of sturdy wood, not easy break, durable and lightweight. Wood handle features excellent control, suitable for work with art and craft projects. Professional wool brush: Wool brush contain super-soft sheep's hair that's carefully selected, can be used with a wide range of media, such as painting, watercolor. Wide application: Wonderful tool for work with kiln wash, oriental papers, wash, sizing, gluing, dust removing, pottery painting, watercolors, other art and craft projects. Multi size: There're 12 different size of woolbrush, you can choose, for ideal for blending watercolors and applying gesso, paste, or varnish. Easy to use: They are designed with a proper handle in medium long, useful in large area of water or color, make you feel comfortable and secure while holding it. And sheep hair brushes are easy to keep clean with mild soap and water and dries quickly. Specifications: Material: Wool Brush S1, S2, S3, S4 Length: Approx. 170mm/6.69 inches S5 Length: Approx. 180mm/7.09 inches S6 Length: Approx. 190mm/7.48 inches S7, S8, S9 Length: Approx. 200mm/7.87 inches S10 Length: Approx. 210mm/8.27 inches S15, S20 Length: Approx. 230mm/9.06 inches Type: S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S15, S20 Package Includes: 1 Piece Wool Brush note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Please refer to the picture for the detailed size.