Stainless High Heat Charcoal Fire Grate Upgrade for Kamado Joe BigJoe - 12" - 10yr Warranty Durable stainless steel contruction from 304 grade heavy duty bars. More air flow - starts easier and burns hotter with less charcoal. Doesn't clog with ash and charcoal and eliminates frequent cleaning need. Fastest and easiest way to reach and maintain high or low grill temperature. 5 year manufacturers free replacement warranty.