All-Clad 5-ply Brushed Stainless-Steel Professional Nonstick 13 inch French Skillets Patented 5-ply construction for superior even heating Alternating layers of stainless and aluminum enhance even heating performance & eliminate warping Reinforced nonstick system for improved ease of release,durability & clean-up Optimized for use on induction cooktops, with superior performance on all other stovetops Signature cast stainless handle with stainless rivets keep handles permanently secure