Nonstick, nonwarping & long lasting ; Rock.Tec(TM) surface enhancement ; 3mm thick aluminum base–40% more corrosion-resistant ; Optimal heat distribution for even browning; Rock-like finish–50% harder & 40% more abrasion-resistant; Internally reinforced nonstick coating–3x better nonstick performance ; Ergonomic cast stainless steel handles; Ovenproof even on broil up to 450deg F; Easy to clean & dishwasher safe;