McKee's 37 Gentle Wheel Cleaner makes cleaning wheels fun and pleasant. Unlike most wheel cleaners that have a harsh odor, McKee's 37 Gentle Wheel Cleaner actually has a pleasant fragrance, not unlike your favorite detail spray. This non-acid formula is safe for all wheel finishes. Don't let its pleasant fragrance fool you: McKee's 37 Gentle Wheel Cleaner is strong enough to remove stubborn brake dust and road grime. Formulated using water-based surfactant technology, McKee's 37 Gentle Wheel Cleaner is eco-safe and will not stain your driveway.