Plastic Oddities Style 4 in. OD Screw-In Shower Strainer Grid, 3-3/8 in. Hole-to-Hole • Plastic Oddities style screw-in shower strainer grill • 4 in. outside diameter • 3-3/8 in. hole-to-hole • Two (2) screws included • Brass construction • Do not use plumber"s putty for installation