The Westbrass 4-1/4 inch shower tile square with a 3-1/2 inch 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, it includes two (2) flat-head color-matched screws. Available in a variety of stylish finishes, this item is sure to complement your existing fixtures. Westbrass Fine Decorative Plumbing has been in business since 1935.