The 3 Qt steamer insert from All Clad is perfect for all of your steaming needs. This steamer fits the D3 3qt, 3.5qt, and 4qt sauce pans from All Clad, and are used with the lid of the corresponding sauce pan. 8″ diameter at the top. Made of single ply stainless steel. No lid included. Please note that this steamer does not fit saucepans from All Clad’s D5 or Copper Core lines. Made in China.