Pre-owned Professional Quality Copper Core Skillet Set by Kirkland Signature- 10" and 8.5" Pans/Skillets. Professional quality at a fraction of the price. While All-Clad has a 0.9mm layer of copper sandwiched between 2 thin layers of aluminum Kirkland boasts a ultra thick 5/16" or 7.9mm layer of copper on the 10" pan.
eBay