Dupli-Color Metalcast Anodized Color turns ordinary chrome pieces into a bright, transparent-Colored metallic finish in an easy one-step process. Metalcast is a durable enamel finish that is oil, gas and, heat resistant to 500º F intermittently, making it ideal for interior, exterior, and high-heat applications under the hood. Specially formulated to work over properly prepared shiny, bare metal, and faux chrome-like surfaces.