Proper Detailing Co. Brushes are professional grade auto detailing brushes designed to withstand daily use. Mobile detailers can rely on these tools to put in daily work. Three different sets are available, the boar hair detailing brush is the best multi-purpose detailing brush that can be used virtually anywhere. The bristles are soft yet stiff enough to handle tough jobs like engine bay detailing , tire cleaning, and even mild seat or carpet detailing (always test painted surfaces and piano black surfaces before using). The interior brush set has a fine tapered filament with soft tip, and firm bristle core. This brush is perfect for vents, dashboards, and the majority of small cracks and crevices in your car or truck. Lastly, for the most gentle care of exterior emblems, piano black surfaces, and navigation screens our ultra soft detailing brush set is the tool of choice. Use to dust daily stuff from the dashboard, wash, clean high end wheel, barrel, vent, and more. Quality detailing supplies and kits start with Proper.