6 Per Pack CRC Mag Wheel Cleaner is an alloy wheel cleaner with a powerful non-acid formula that is suitable for cleaning most wheel types. Its unique, fast-acting foaming action penetrates, dissolves and lifts off dirt, grease, tar, road grime & brake dust. It safely restores all clear coated alloy or magnesium wheels to their original condition. It contains an additive to brighten the metal and an anti-static surfactant to repel dust & dirt, ensuring a long-lasting shine.