Chef-designed and kitchen-proven with the core, Thomas Keller's tri-ply clad insignia stainless steel cookware set raises the bar for professional culinary performance with purpose-built cookware focused on exceptional results. The triple-bonded 18/10 stainless-steel construction featuring Hestan's exclusive procure aluminum delivers 35% greater heat conductivity. That means faster, more consistent heating, plus faster recovery time to stay in control of temperature and timing. In addition, you'll find that the saute pans, sauce pots, rondeau, saucier, and stock pot are wider, not taller, to increase cooking surface for better heating, browning, and enhanced flavor. The set also contains an 8.5" saute pan that is finished with titum nonstick, multi-layer system - the world's most durable nonstick. Completing this assortment of pots and pans, is the 12.5" universal lid with Hestan steam vents to reduce boil overs, pressure, and eliminate rattling. Durable, innovative sealed rims make this thoughtfully crafted cookware set 100% dishwasher safe, while purposeful engineering accommodates a wide range of culinary needs including oven and broil safe to 600° F.