Hunsaker Vortex Smokers Super Heavy Duty Food Grate For 22" Kettle (0.275" Stainless Steel, heavier than 1/4")The Heaviest 22" Kettle Grate on the Market Built to Outlast the Grill Most grill grates are an afterthought. This one is the main event. At 0. 275" thick 304 stainless steel that's heavier than 1 4" this grate is in a class of its own. The moment you lift it, you feel the difference. Solid. Substantial. Built like it means business. Whether you're searing steaks at screaming hot temps or running a long low and slow cook on your Weber 22" kettle or