Commercial Performance. Lifetime Durability. Designed for exceptional durability and cooking versatility, Calphalon Commercial Hard-Anodized Cookware brings back Calphalon's original hard-anodized surface. It is ideal for advanced techniques such as searing and deglazing, and will deliver a lifetime of performance with superb cooking results. Features: Hard anodized aluminum for searing and glazing Oven- and broiler-safe for culinary versatility Tempered glass covers Stay cool handles 30% harder than stainless steel.