Eastwood Original Gloss Chassis Black is designed to resist chips, salt, mud corrosion and temperatures up to 150°C. Original Chassis Black will work well over bare metal or over primer. For maximum protection prepare bare metal with primer before top coating. Aerosol (397g). NOTE: Not to be used with single-stage self etching primers. - Gloss produces an 80% gloss looks great on suspension parts and frame - Covers 8 sq. ft. (up to 4 times faster than similar sized aerosols). Average sized car uses 3 to 5 cans for the entire chassis. - Works great over bare metal, Eastwood Rust Encapsulator , or Eastwood Chassis Black Primer.