The Gourmet BBQ System Sear Grate set is made of porcelain enameled, cast iron. Helps to retain heat and delivers professional searing and seals in moisture and flavor. The porcelain enamel finish prevents sticking and allows for easy clean up. The hinged cooking grate with 12 inch wire insert allows for standard grilling. Fits 22-1/2-inch Weber charcoal grills.