The Calphalon Classic Stainless Steel Steamer Insert fits Calphalon Classic 6-qt. and 8-qt. Stock Pots. It's constructed from durable, brushed stainless steel and is dishwasher safe for easy cleanup. Use the pasta insert inside the stockpot when cooking pasta, corn, shrimp or potatoes − just lift it up to drain water instead of having to use a separate colander.