The Fusion Collection offers a wide selection of handcrafted artisan glass shades. These beautiful artisan glass finishes complement the clean designs of the Justice Design fixtures. Part of the Fusion Patina Collection Base Finish Matte Black Base Material Metal Shade Finish Mercury Shade Material Artisan Glass Shade Shade Cylinder with Flat Rim Recommend the use of clear bulbs Bulb Type 1 Incandescent not included Bulb Wattage 100W Bulb Base E-26 Medium Base Wet Location Rated UL Certification Overall Dimensions 7 W x 8.5 8.5 Extension Backplate Mounting Center 2.25 Please note that this product is designed for use in the United States only 110 volt wiring , and may not work properly outside of the United States.