Westbrass R92K-07 Trip Lever 2-Hole Overflow Faceplate & Adapter Tub Trim Set, 1-Pack, Satin Nickel FeaturesBath tub trim conversion kit with grid and faceplate1-3/8 in. Npsm (1-5/8 in. - 16 UNC) fine thread exteriorTwo-hole Trip lever faceplate with two (2) 1/4 in. -20 x 1-1/2 in. Plated brass screws (D330)Bath tub drain shoe with beehive-shaped Gerber style grid and screw (d3311-f)1-1/2 in. Npsm x 1-3/8 in. Npsm adapter bushing (792Bb) .