The tastiest detail brush in solid quality suitable for the discerning Detailer.Can be used on rims and div. Front grill etc. It can get all the way in and wash into the bolt holes on a rim, but at the same time big enough to wash even the biggest rims and easily get into all the hooks and has a good reach. All in all, the ultimate rim brush for those who don't have that much space between the spokes on their rims.It is made of sturdy synthetic wool sewn onto a flexible plastic shaft with a rubber handle at the end for a better grip while washing.Rinse your car with water and spray SiCare Iron Buster on the rim and place the brush deep in a bucket of clean water, work the entire rim with the brush and rinse with water.Note: Remember to always use the tracking brush wet and rinse with clean water after use and shake all the water out of the brush. The brush should be stored dry.