Jones Stephens has built its reputation over the years as a leader in the plumbing industry, providing the market with thousands of products to complete any project. If you need it, we got it. The Square Heavy Duty Strainer is 4-1/4 in. edge-to-edge and includes screws. It's constructed of durable cast brass. For use with 4-1/4 in. diameter drain and cleanout spuds, D50-series (2 in. x 3 in.) series shower drains and 2 in. x 3 in. general purpose drains.