This Westbrass large wing nut style kitchen sink basket strainer will protect your drain from clogging by preventing unwanted debris from entering the drain 2-5/8 inch deep flange fits most major brand waste disposals. Push/Pull the Strainer for sink closure. Enjoy both convenience and style as you simply twist the wing nut to open or close the basket to slow the drain of water. Model D213 is a single pack. For a back of two strainers model D2135. Available in a variety of finishes, this item is sure to complement your existing decorative fixtures. Westbrass Fine Decorative Plumbing since 1935.