12-3/4 x 19-1/4, 1 Charbroil/Thermos Thermos, Casting #2 Front to Back by Left to Right of the actual cooking surface is measured. Stand-offs and stubs are not included in the general measurements. Should there be an extension or unique “stub” of the center brace on a cooking grill or rock grate, the measurement of the extension is not included in measurement.