Wheel woolies large angled wheel woolie this is by far the safest most effective way to clean vehicles wheels we have ever seen most wheel brushes do an excellent job at cleaning the outside surfaces of the wheel but do not allow the user to get into the small holes and crevices where the brake dust collects twisted wire spoke brushes will reach in but they can really scratch up a wheel if used carelessly these new wheel brushes combine the best of both worlds there is no metal in this brus