All Fissler pots and pans feature the CookStar all-stove base that allows for even heat distribution and superior heat storage, and can be used on any type of cook top. The base is composed of 18/10 stainless steel with a 6 millimeter thick aluminum core for optimal heat distribution, diffusion and storage without hot spots. The bases of the pans are slightly concave to ensure it will be perfectly flat while heating that also helps to prevent warping. Fissler offers an unlimited lifetime guarantee that the CookStar base will remain flat on any type of stove. The Crispy Steelux Premium frypan is designed for grilling and frying at high temperatures so you can always have that delicious crunchy, crust on your food. The unique and patented NOVOGRILL bottom has a honeycomb texture that makes non-stick grilling and frying easier than ever without the use of any oils- a healthy way to grill indoors. The ergonomic handle rests perfectly in your hand for a firm grasp while cooking and stays cool to the touch.