Specifications:Color: SilverMaterial: Aluminum + ABSBase Diameter: 17.5 cm / 6.9 inchDiameter Of First Section: 8.5 cm / 3.3 inchDiameter Of The Second Section: 7.25 cm / 2.8 inchDiameter Of The Third Section: 6 cm / 2.4 inchAdjustable Height: 43-73 cm / 16.93-28.74 inchFeatures:When Not in Use, You Can Take out the Pedestal Pole and Just Leave the Pedestal Base, Very Convenient.Crews Can Adjust Table Heights to Accommodate Their Work Environment. Ideal in Workrooms, Galley or Pilot House, Crewman Can Adjust Table Heights.Package Contents:1 X Adjustable Table Pedestal