Product details:

This Fenchel Shades lamp shade has a top diameter of 21 inches, a bottom diameter of 21 inches, and a slant height of 9 inches. The vertical height of this shade is about 9 inches The attachment type is a European style. It is similar to an Uno fitter, except the inner dimension of the ring measures 1 9/16 inches. The European fitter generally resembles a large, flat washer, with the thickness of a penny. The European fitter slips on to the socket, and then a plastic or metal cap gets screwed on to hold the fitter in place. The European-style fitting is becoming more and more popular. This particular attachment is connected to the top of the lampshade. The attachment drops down 1 1/2 inches from the top of the lamp shade .