5 in. Top Diameter x 15 in. Bottom Diameter x 10 in. Slant Pleated Mushroom White Coolie Lamp Shade

This Fenchel Shades lamp shade has a top diameter of 5 in., a bottom diameter of 15 in., and a slant height of 10 in. This attachment is called a washer attachment and is brass 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.