Grill Steel 13.75" Converts most 3-burner and larger gas grills into a gourmet pizza oven Bakes pizza, breads and cookies.&nbsp; Roasts meat and vegetables,&nbsp; cooks fish Create pizzeria quality pizzas in 2-4 minutes* Set the burners to HIGH and preheat for around 20 minutes, once the needle reaches the desired temperature you're ready to bake Portable box with handles sits on racks of most 3-burner and larger grills