Gunk TFWC22 Tough Series Heavy Duty Tire & Wheel Cleaner - 22 oz. GUNK is a local family owned company based out of Charlotte, NC. For more than 75 years, GUNK products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation. High output spray pattern covers wheels and tires faster Foaming spray clings in place Unsticks brake dust from wheels for easy wipe away clean Safe on all metal wheel types