This  easy-to-use aerosol from Eastwood etches and primes bare, rust-free metal in one step. Adheres to steel, aluminum, stainless steel, and galvanized steel. With the exception of the Eastwood Chassis Black line, self-etch primer is compatible with virtually any non-epoxy paint or auto finish. This includes Eastwood\'s huge line of single-stage urethane and acrylic lacquer automotive paints. The self-etching formula bonds better to bare metals than other aerosol primers on the market. Self-etching primer spray cans cover about 10 square feet, making them the right choice for body repairs and small jobs. This easy-to-use aerosol etches and primes bare, rust-free metal in one step. Adheres to steel, aluminum, stainless steel, and galvanized steel and is compatible with virtually any paint or auto finish. This self-etching formula bonds better to bare metals than other aerosol primers. It is also a single- stage formula which requires no catalyst, making it even easier to use. 2 sizes of Grey Self Etch are available: in US Quart cans 946ml (spray application only) and in Aerosol (453g). Now also available in Black Aerosol . Not for use under Eastwood Chassis Black or epoxy coats