Chemical Guys Rimpaca reach around ultimate wheel brush sets arm you with two brush sizes for maximum versatility. Each of the brushes combine a unique angled design with an ultra-soft, fully synthetic wool head so you can reach around to gently deep clean all those hard-to-reach areas of your ride. Chemical Guys Rimpaca brushes have a metal-free design that minimizes the risk of scratches, can be used wet or dry, and their handles are fitted with comfortable, no-slip hand grips.