Model #: 3514 The New Pizza Stone Kit Includes Everything You Need To Make Artisan Style Pizzas On Most Fire Magic Or Aog Gas Grills. *Cordierite Pizza Stones Are Extremely Durable And Are Built To Outlast All Others. Cordierite Is A Mineral Known For Its Ability To Handle Extreme Temperatures Well. It'S Thermal Shock Resistant, You Can Take A Cordierite Stone From A Low Temperature To A Very High Temperature Without The Risk Of Breaking It. These Stones Can Literally Handle All The Heat Your Grill Can Dish Out And Still Keep Cranking Out Pizzas Year After Year.