The Precise Heat 12 Element Waterless Skillets Set has a durable construction of extra heavy T304 stainless steel. The 12-element construction spreads the heat quickly and evenly. The steam control valves make waterless cooking easy. The riveted handles are resistant to heat, cold and detergents. The set includes an 8.75 inch skillet with cover, 11 inch skillet with cover and 12.75 inch skillet with helper handle and cover.