The Vulcan Hart 805251-1 Range Porcelain Cast Iron Spider Grate is a long lasting piece of equipment, it has a diameter of 8-7/8” and a 12” long point with 12 legs and a small pin on the short legs to provide stability and better heat distribution. This grate is suitable for use in gas top models and it helps in distributing heat evenly hence no hot spots. https://partsfe.com/805251-1-vulcan-hart-top-grate-8-78d-12-longest-point