-heavy massive cast iron grate weighing about 16,5lbs -4 cast iron quarters -1 cast iron ring -preseasoned with soy oil, grate quarters can be replaced with various available inserts -fits kettle grills with 22.5 inch outer diameter -last a lifetime if cared for properly -patented An amazing cooking surface for People that expect the most from their grills. These Cast Iron Grates come pre seasoned, wipe'em clean, fire up and start grilling. Fits 22-1/2-inch charcoal kettle grills.