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
Black Replacement sink waste strainer | DIY at B&Q
The Plumber's Choice 3-1/2 in. - 4 in. Kitchen Sink Spin and Seal Stainless Steel Drain Assembly with Strainer Basket - Threaded Stopper ESS1457 - The Home Depot
The Plumber's Choice 3-1/2 in. - 4 in. Heavy-Duty Kitchen Sink Stainless Steel Drain Assembly with Strainer Basket KOHLER Style Stopper ESS3157 - The Home Depot