Plain Carbon Steel Wok 30cm: Everyday kitchen essentials from Kitchen Craft. The definitive kitchenware brand.: Constructed from high quality, heavy gauge carbon steel. Ideal for use with metal utensils. Featuring deep sloped sides the wok allows quick, even and maximum heat distribution whilst the flat base allows maximum balance and control on the cooker top. Handwash only. Suitable for all heat sources including induction. Wipe with a thin layer of vegetable oil after each use to prevent rust and build up a protective non-stick patena.