FenchelShades.com 11 in. Top Diameter x 17 in. Bottom Diameter x 13 in. Slant Designer Chintz Tan Empire Lamp Shade

This Fenchel Shades lamp shade has a top diameter of 11 in., a bottom diameter of 17 in., and a slant height of 13 in., This attachment is called a washer attachment and is nickel in color. It is also known as a spider attachment. If your lamp has a harp, then you will generally need a washer attachment. The inner-dimension of a washer attachment measures slightly over 1/2 in.