This set includes four Series 170 Round brushes in sizes 20/0, 15/0, 10/0, and 5/0.
Brush sizes - The length and width of a brush of a given shape and size may vary by manufacturer as brush sizes are not standardized. Since fine art brushes are handmade, expect some variation even among brushes from within a single brush line.
UPC Code: 4017505985974