Pinnacle Black Label Diamond Coatings (Wheel Coating) Pinnacle Black Label Diamond Wheel Coating blankets your wheels in a rock-hard barrier of protection that is impenetrable by ferrous brake-dust particles, road salt, tar or oil. Designed with brake-dust laden sports cars in mind, Diamond Wheel Coating and the layer of protection it creates makes laborious wheel cleaning a thing of the past. The super slick surface virtually eliminates brake-dust build up. Spray and wipe application lasts up to 18 months!