Elk 66825-1 7 by 18-Inch Insulator Glass 1-Light Swingarm Sconce, Weathered Zinc Finish Insulator Glass swingarm sconce collection was inspired by the glass relics that adorned the top of telegraph lines at 20th century Made from thick clear glass that is complimented by solid cast hardware designed with an industrial aesthetic Accommodates one 100-watt medium base bulb Available in weathered zinc finish Measures 33-inch extended length by 7-inch width by 18-inch height