GrillGrates are interlocking panels that fit across the surface of any grill. They can replace your existing grates or cover them. GrillGrates produces juicier and more tender food. Made of hard anodized aluminum, they never rust. GrillGrates increase the grill surface temperature, reduces flare ups, eliminates hot and cold spots and delivers restaurant quality sear marks all at once. GrillGrates are the perfect replacement for old, rusted out grates. GrillGrates will make your Weber gas grills better than new.