Replace the existing cooking grates on your grill with this porcelain-enameled cast iron grate set and increase your grilling capacity when using the the WEBER CRAFTED Frame Kit (frame kit sold separately). This set also makes it quick and easy to swap between using standard grates and cooking with WEBER CRAFTED accessories. Designed to fit Spirit 3-burner gas grills and SmokeFire EX4 pellet grills.