The safest way to scrub your wheels! Meguiar's Supreme Shine Large Wheel Brush is the perfect tool for those of you with particularly sensitive wheel surfaces! The head of the Meguiar's Supreme Shine Large Wheel Brush is comprised of highly-absorbent, long, plush microfiber tendrils that will provide an effective amount of agitation without harming your wheels' surface! The microfiber head also traps dirt and brake dust in the fibers, keeping them off the scrubbing surface! The Meguiar's Supreme Shine Large Wheel Brush is designed without any metal parts, internal or external, so there is even less risk of your wheels being marred during cleaning! When you press your brakes, what you are doing is causing your brake pads to press against the disc rotor on your wheels. This generates a lot of friction, which in turn slows the rotation of your wheels to slow the car. However, this friction also grinds tiny particles of your brake pads away, which is why your brake pads experience wear. These particles fly off in every direction and most of them will land on your wheels. The trouble with this is that not only does this coat your wheels in what looks like soot, but these particles are also extremely corrosive! If these particles are left to sit on the surface, they will eventually cause pitting and rust on your wheels! While most wheel cleaners use a chemical that reacts with these particles and dissolves them, that alone isn't enough to completely clean these particles off your wheels. You will also need a brush to agitate the surface and scrub these particles off. This is where the Meguiar's Supreme Shine Large Wheel Brush comes in! The microfiber tendrils on the head of the Meguiar's Supreme Shine Large Wheel Brush provide plenty of agitation as you scrub your wheels, removing these particles from your wheels and trapping them in its fibers to keep them off the surface! To make sure that your wheels are as safe as possible while you are scrubbing them, the Meguiar's Supreme Shine Large Wheel Brush has a few different features. Because microfiber has much smaller and more flexible fibers than a traditional towel or brush, it won't create enough friction to damage the wheels surface. In addition to that, as you scrub, those tiny particles are trapped within the fibers of the head, keeping them off the scrubbing surface and away from your wheels where they may be able to cause scratches! The Meguiar's Supreme Shine Large Wheel Brush is also designed without any metal parts or components, so there is no risk of metal protrusions that may scratch your wheels! 18" x 3.5"