Dimensions: Flavorizer bars 7636: 15.3 (L) x 2.6 (W) x 2.5 (H) inch. Burner tube 69787: Each main burner is 18 inch, crossover tube is 15-1/4 inch, center main burner is 17-3/4 inch
Material: Heavy duty Porcelain Enamel flavorizer bars and Stainless Steel burner tube