Thrifco Plumbing 4402297 Single Hole BathTub Drain Overflow Plate with Screw, Brushed Nickel Finish. Features: Replaces Danco 89235 Steel construction provides strength and durability Match with similarly finished brushed nickel tub trim and spout to showcase a streamlined design Dimensions: 3-5/32 inch OD x 11/32 inch ID x 7/16 thickness Single-hole round style with screw included for easy and convenient installation