Moen Kitchen Sink Stainless Steel Basket Strainer with Drain Assembly, 3-1/2 Inch Sink Drain Stopper Plug, 22036 - Bathroom Sink And Tub Drain Strainers - Amazon.com
allen + roth 3.5-in Stainless Steel Rust Resistant Strainer with Lock Mount Included in the Kitchen Sink Strainers & Strainer Baskets department at Lowes.com