The end where it attaches to the fixture is hexagon shape and is made of brass and it measures about 1 5/8 across. Shade is about 5 7/8" tall and at it's widest point it is about 8" across. The item "Vintage Set Arts & Craft Mission Slag Glass Chandelier Lamp Light Fixture Shades" is in sale since Monday, August 2, 2021.This item is in the category "Collectibles\Lamps, Lighting\Lamp Shades". The seller is "56sg2188" and is located in Memphis, Tennessee. This item can be shipped to United States.