Stainless steel grill burner set. Includes three main burners and one smaller crossover burner. Left and right main burners measure 18″ and the center main burner 17 3/4″. Crossover is 15 1/4″ long. Fits Weber Spirit 300 Series Model Years 2013 and Newer (With “Up Front” Controls). We highly recommend you to measure size of your original replacements, and make a comparision with our listing.