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 Round Stamped Strainer is 4-1/4 in. in diameter and includes two screws. It's for use in 4-1/4 in. diameter drain and cleanout spuds, D50 (2 in. x 3 in.) series shower drains and 2 in. x 3 in. general purpose drains.