Grandrich ES-243-1 Energy Saving Organizer Desk Lamp Energy saving Shade: 5-Inch Diameter by 4-1/4-Inch Height. Metal Shade with Chrome Ring Base: 6-Inch Diameter by 1-Inch Height. Metal Base Pole/Arm: 1/2-Inch Diameter by 12-3/4-Inch Length. Metal Gooseneck