This is the Chemical Guys Show Car Wheel and Rim Detailing Brush. Use this brush to do deep cleaning inside the wheel barrels, exhaust tips, engine bays, basically anywhere that requires deep cleaning in a hard-to-reach area. This brush slips through spokes and cleans in those areas where brake dust tends to settle and build up. And it is completely bendable and shapeable to be a highly versatile tool that provides clean and effective detailing. This particular brush features soft synthetic bristles and a soft plastic handle. And it even has a rubber brush tip to avoid major scratches on wheels that are highly polished. Use this took to clean your braking and suspension components as well while you're in there.