Music City Metals 99291 Porcelain Steel Heat Plate Replacement for Gas Grill Models Uniflame GBC1001W-C and Uniflame GBC9129M Listing is for a single heat plate. 16.75 x 10.625 inch porcelain steel heat plate Fits Backyard Grill BY12-084-029-78, GBC1103W, GBC1408WDC-C; Uniflame GBC1001W-C, GBC9129M