Westbrass 4" O.D. Sold Brass Shower Strainer Cover, Oil Rubbed Bronze, D3192-12 Oil Rubbed Bronze Plastic Oddities style screw-in shower strainer grill 4 inch Outside Diameter 3-3/8 inch hole to hole centers 2 ea. #8-32 x  inch flat head screws 1 mm thick, plated brass construction Polished Brass Polished Nickel Satin Nickel Oil Rubbed Bronze Stainless Steel Polished Chrome White Matte Black Antique Copper