Removable Strate brushed stainless universal steam cooking insert. Universal steam cooking inserts can be adapted to fit: 3 Qt Saucepan w/Lid, 5.5 Qt Stockpot w/Lid, 7.5 Qt Stockpot w/Lid, 10 Qt Stockpot w/Lid, 4 Qt Stew Pan w/Lid, 5.5 Qt Stew Pan w/Lid. Strate universal steam cooking inserts are made of 18/10 stainless steel. They preserve the taste of food and are easy to clean after use. Requires removable handle or grips.