This five-brush set contains one Series 5023 Flat size 5, one Series 5123 Bright size 5, one Series 5423 Short Filbert size 6, one Series 5923 Filbert size 6, and one Series 5723 Round size 2.
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: 4017505981914
ASIN #: B0069FC652