The Rock by Starfrit 9.5" Fry Pan with Bakelite Handle 3mm thick aluminum base; ultra-durable with rock-like finish: 50% harder & 40% more resistant to abrasion. Internally reinforced nonstick coating; Ergonomic cast stainless steel handle; Ovenproof, even on broil, up to 350 deg F; Easy to clean & dishwasher safe.