McKee's 37 MK37-485 solves an issue that plagues virtually every vehicle on the road today – iron particles embedding into painted surfaces. This is a real issue for old and new cars alike. A brand new car can have extensive amounts stuck to clear cloats. Left untreated the iron particles will cause corrosion to the precious thin clear coat paint that comes on a brand new car. McKee's 37 MK37-485 is the solution to removing iron particles to maximize the gloss potential of your paint!