This accessory fits many of our popular OttLite floor lamp models and is easy to install. Transport your floor lamp from the craft studio to the living room simply by unlocking the wheels, unplugging the power cord, and rolling away. Now you can have OttLite’s Natural Daylight Illumination just about anywhere! Details: 12.5" x 9" x 3" base sizeAllows select OttLite floor lamps to become mobile Features locking wheels to keep the lamp safely in place Compatible with: 18w Floor Lamp, 18w EasyView Floor Lamp, WingShade Floor Lamp, 24w Craft Plus Floor Lamp