Pow Wok Stir Fry Pan - Hand Hammered Carbon Steel (14 inch, Round Bottom) by TesorCARBON STEEL: Chinese restaurant chefs exclusively use carbon steel woks and swear by them. It is lighter, more durable and easier to handle than cast iron, while having superior response to changes in temperature when your recipes call for it. Carbon steel is 15 gauge (1. 8mm) thick. HAND HAMMERED: woks have slight indentations left by the hammering pattern which allow you to push food to the sides of the wok to cook slower, while adding ingredients