MOEN 3 1/2- in. Stainless Steel Basket Strainer with Drain Assembly in Satin 22037 - The Home Depot
The Plumber's Choice 3-1/2 in. Strainer Basket Universal Replacement for Kitchen Sink Drains Stainless Steel with Rubber Stopper 17621 - The Home Depot
Kitchen Sink Drain 3-1/2 Inch Sink Drain Assembly Kit, Removable Deep Sink Strainer Basket with Sink Stopper/Sealing Lid for Home, Kitchen, Stainless Steel