The Westbrass 4-1/4" Snap-In Shower Tile Square with 3-1/2" Round Strainer Grid Drain Cover is constructed of durable cast brass for durability. For use with 4-1/4 inch diameter drain and cleanout spuds and Includes two (2) flat head colour matched screws. Available in a variety of stylish finishes, this item is sure to complement your existing fixtures. Westbrass Fine Decorative Plumbing since 1935.