After scraping, use the 10-mm Nylon brush for cleaning wax out of a ski or snowboard base structure and the first step to polishing base. Brush measures approximately 3 in. x 4.5 in. A brush designed for durability with quality bristles on a hardwood handle ergonomically grooved for grip. Good all-purpose brush. If you only want one brush, this is the most useful. Brush order for wax removal: Brass (before waxing); Nylon (after waxing/scraping); Horsehair.