The Southbend 1172777 Bottom Grate is a cast iron cooking grate measuring 20-15/16" x 5-3/16" and featuring 68 square holes. It is used in Southbend SCB and SCBC broiler units that use ceramic media rather than lava rocks. The grate sits in the lower section of the broiling area and provides support for the cooking surface while allowing heat to pass through the openings. Its cast iro... https://partsfe.com/grate20-1516-x-5-316-w-for-southbend-part-1172777