Find the Fat Daddio's® ProSeries 4.5" Stainless Steel Heating Rod at Michaels. Prevent overcooked exteriors and gooey centers with this stainless steel heating rod from Fat Daddio's ProSeries, designed to ensure that the center of the cake is thoroughly baked and rises evenly without requiring additional time in the oven. Recommended by professionals for cakes larger than nine inches in diameter or three or four inches to evenly distribute heat conduction to the center of the cake, use one or more rods to improve your baking results.