Our Heavy-Duty All Purpose Cleaner for Wheel Rims, Engines, door jams, concrete floors, etc uses Advance Surfactant Technology to dissolves grease in minutes. DeGrease is excellent for the easy cleaning of engines, door jams, wheel rims, concrete floors or any greasy jobs yet safe enough to not harm Aluminum rims or engine components. DeGrease uses simple high-tech surfactant technology to emulsify grease and dirt so they can be removed easily and quickly by rinsing with water or wiping with a towel. When the area is once cleaned, that area will resist dirt accumulation, making future cleaning easier! Safe for around-the-house clean-up projects as well.