What is the Rock.Tec surface enhancement? It's a unique manufacturing process that uses small steel pellet impact technology to modify the surface and form an ultra-durable rock-like finish. Exclusive to Ricardo, The Rock cookware set provides outstanding release performance, 3 times better than traditional non-stick cookware. Made from forged aluminum, it holds an exclusive Canadian patented design. This durable 10-piece set comes with tempered glass lids and bakelite handles. It's the answer to all your cooking needs!