Stockpot & lid - 122 Qt stainless steel122. These pots are made of 304 stainless steel. They are great for your indoor or outdoor chef, and they are one of the most versatile pots on the market. It is 21 ¼ inch diameter and 19 inch high. It has a 122 Qt capacity. It has a thickness of 18 gauge steel and comes with a vented lid.