Shade Dimensions: (6x6) inch top diameter, (12x12) inch bottom diameter, 10 inch slant height Rust-resistant Polished Nickel Washer (also called Spider). Fitter sits on top of the lamp harp and is secured by a finial. Fitter has a 1/2 inch drop into top of shade, inner dimension of washer ring measures ½ inch. Unique Mission Style along with its ergonomic design, provide optimal light in any room. Timeless style with a modern edge, ideal for any décor. Finely tailored with matching trim and vertical piping to hide all seams. Easily transform your living space.