Proper Detailing Co. Brushes are professional grade auto detailing brushes designed to withstand daily use. Three different sets are available, our boars hair detailing brush is the multi-purpose king of detailing brushes that can be used virtually anywhere. The bristles are soft yet stiff enough to handle tough jobs like engine bay detailing (always test painted surfaces and piano black surfaces before using). The interior brush set has a 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. Get that showroom look on the inside! 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. Complete your car detailing kit with the best detailing brush set money can buy, you won't be disappointed.