There are many categories to Swix's Brush line up. Within the highest end racing brushes are those specifically designed for use with Cera F Wax. The Horsehair Oval Brush is recommended for use as the second brush for Cera F wax applications. The Horsehair Brush can be used in place of a Wild Boar brush, and run 5 to 10 strokes tip to tail after running the Stiff Black Nylon Brush. Because of the differences in wax properties it is highly recommended that brushes used for Cera F are kept as strictly Cera F brushes. Oval Paddle Brush with Hand Strap, Quality brush for Cera F powder. For final brushing., Recommended by Swix: Make 5 to 10 passes with the Horsehair brush after using a Black Nylon Brush, ca. 0.15 mm, Shape: Oval, Bristle Type: Natural Fibers, Model Year: 2022, Product ID: 178408, Model Number: T0157O, GTIN: 7045951415124