Comma Wax Seal is the perfect way to attack those rusty patches on your vehicle and also protect it long term from further outbreaks. The aerosol creates a fine spray of solution that can reach into all those little nooks and crannies that you may normally struggle to reach. Wax seal is a one stop solution for curing rust with no need for primers; it can be done quickly and easily providing an indefinite barrier against rust damage. Perfect for use on under body, chassis box sections, door panels, sills, etc.