Product descriptionGs5056Gee Sonic Full Range Burner: From simmer to boil – fast. Continuous Grates: Continuous Grates make it easy to move heavy pots and pans between burners without lifting. Heavy-Duty Grates and Professional-Style Knobs Pro-Select Controls: Precise control at your fingertips. Low Simmer Burner: Perfect for delicate foods and sauces.Heavy Cast Grates