da Vinci Graphic Design Series 4052 Pinstriping Brush Set, Synthetic Imitation Squirrel, Multiple Sizes, 2 Brushes (Series 703, 706) Casaneo is a new synthetic fiber developed by da Vinci to revolutionize the pin striping business Incredible flexibility, it holds a perfect line Easy to clean and long lasting, black handles with brass ferrules See da Vinci series 700 for the natural hair equivalent of this brush Certified green manufacturing with sustainable wood handles; handmade in Germany at our family owned factory since 1890