The ZWILLING Energy X3 collection makes it easy to achieve professional results every time you use it. This 10-piece set has all the essentials to start or update your home cookware. The SIGMA Clad 3-ply construction offers fast and even heat conductivity on all cooking surfaces. The saucepans, sauté pan and stock pot come with tempered glass lids that lock in moisture and have two sizes of straining holes built into the sides so you can line them up with the pour spouts to easily remove liquid