The American Outdoor Grill (30-B-11) replacement cooking grates are constructed of durable 304-grade stainless steel and fit all Pre-2018 American Outdoor Grill 30-inch gas grills (any model). To install, simply remove current worn-out cooking grates by pulling them directly out of the grill and replace with new. Installation takes less than 1 minute. Sold in a set of 3.