The Star Mfg Y7140 Oven Cast Iron Bottom Grate measures 21" x 17" and features 4 cross bars with 21 ribs. This cast iron grate is used as a bottom support component in compatible commercial oven equipment. Its ribbed surface provides a structured area for cookware while the cross bars add support across the grate. The specification makes it easier to identify the required component wh... https://partsfe.com/y7140-star-mfg-bottom-grate-21-x-17