Kitchen Sink Basket Strainer Plug Top for Strainer Waste McALPINE BSKTOP 80mm 5036484015686 | eBay
The Plumber's Choice 3-1/2 in. Strainer Basket Replacement for Kitchen Sink Drains Stainless Steel with Stopper and Rubber Seal (2-Pack) RB12157x2 - The Home Depot