SLIP UNO Fitter designed to fit over your socket and fasten on lamp uno socket. Inner diameter of Slip Uno is 1 7/16". PLEASE REVIEW ALL IMAGES TO VERIFY THIS SHADE WILL FIT ON YOUR LAMP BASE. Illuminate your living space with the refined touch of our Euro-Fitter Lampshade, blending functionality with style. FABRIC - Textured Oatmeal Drum Shade DIMENSIONS - 12" Top x 14" Bottom x 10" Slant height DELUXE lampshade, found in better lighting showrooms. Durable Hotel quality shade. COMPLETE SHADE KIT Includes everything you need to use on an UNO fitter lamp: 8" harp, Harp-to-UNO adapter, and Finial Cap.