GrillGrate is the grate that is changing the grill. The 3-D design delivers a better grilling experience with more control, even temperatures and fabulous searing without the char. GrillGrates SEAR + SIZZLE + RADIATE + PROTECT The formula is simple, the improvement is dramatic. This set covers 90% of the grill surface and allows for semi-direct high heat grilling. Includes The GrateTool and User Guide. Three 20″ Professional Grade GrillGrates and The GrateTool. Grates are cut to fit the 22″ Weber Kettle. Interlocking raised rail panels made of hard anodized aircraft grade aluminum. GrillGrates season with use and require very little cleaning other than brushing the rails during warm up.