17.3" x 10" Cast Iron Grates (Set of 2) "Cast Iron gives off a more even heat and holds it far longer than steel - great for amazing grill marks/sears Seasoned Cast Iron Grates provide a non stick cooking surface - brush the grate clean in seconds StronCraycort Cast Iron Grate for The New Weber Spirit 17.5" x 10.25" Cast Iron Grates (Set of 2)