Circulon 8", 9" & 11" Open Deep Skillet Set Have a handle on whatever craving comes your way. This triple threat combines the grace of expert nonstick and the durability of hard-anodized constructions for quick, even and reliable heating. Total Food Release System, Hi-Low wave technology and DuPont Autograph nonstick Hard-anodized aluminum bases. Metal utensil safe. Oven safe to 350F.