10-mm Brass brush from the RaceWax Pro-Line of ski and snowboard brushes. Brush measures 3 in. x 4.5 in. A brush designed for durability with quality bristles on a hardwood handle ergonomically grooved for grip. Best used tail-to-tip (not a typo) before waxing to remove dirt & old wax. Brush order for wax removal: Brass (before waxing); Nylon (after waxing/scraping); Horsehair. 10-mm Brass brush from the RaceWax Pro-Line of ski and snowboard brushes. Measures 3 x 4.5 inches Not overly soft or aggressive - just right! Best used tail-to-tip (not a typo) before waxing to remove dirt & old wax. A brush designed for durability with quality bristles on a hardwood handle, ergonomically grooved for grip. Brush order for wax removal: Brass (before waxing); Nylon (after waxing/scraping); Horsehair.