The Signet™ series is trusted by grilling enthusiasts around the world and will help you get great results, every time. Signet™ 320 features 635 sq. in. total cooking space including porcelain coated warming rack, heavy-duty cast iron cooking grids, stainless steel Flav-R-Wave™ cooking system, 3 stainless steel Dual-Tube™ burners, stainless steel drop-down side shelves and enclosed cabinet base. The quality Therma-Cast™ aluminum oven retains heat and is perfect for convection cooking large roasts or even your holiday turkey.