The Weber 7856 Crafted Porcelain Enamel Cast Iron Cooking Grates are designed specifically for the Spirit 3-Burner grill, providing a perfect fit and optimal performance. Made from durable cast iron material with a black porcelain enamel finish, these grates ensure even cooking and grill marks. Compatible with the Weber SmokeFire EX4 & Spirit 300 models, these grates are a reliable and high-quality replacement part for your outdoor cooking needs. With a sleek design and sturdy construction, these cooking grates are a must-have for any backyard chef looking to enhance their grilling experience.