The synthetic sable (also called sable substitute) brushes are suitable for water-colour, oil & acrylic paints. They combine a traditional spring with a fine flexible point and are used for a variety of painting techniques, including glass, silk, and pottery painting. Approximate overall length 17.5cm 20.5cm, depending on size.Available in sizes: 0, 1, 4, 6, 8, 10, 12.