1/4 Pint – Rust Bullet WhiteShell is a single component, gloss white, protective coating and topcoat; Easily applied over painted or unpainted surfaces and can be used as a stand-alone protective coating that will protect your iron and steel. For the ultimate protection, apply WhiteShell as a topcoat over our patented Rust Bullet Industrial or Rust Bullet Automotive Formulas to create the strongest armor tough, chip resistant protection against rust and corrosion ever formulated.