FenchelShades.com Lampshade 11" Top Diameter x 17" Bottom Diameter x 13" Slant Height with Washer (Spider) Attachment. for Use on Lamps with Harps (Rich Red) Top Diameter : 11" | Bottom Diameter : 17" | Height 13" Washer Attachment, 1/2" Drop - Designed for Lamps with a Harp Hardware Color : Nickel Lampshade Covering : Linen Rich Red All Products Custom Made in the USA