VEVOR Umbrella Base, 2 in 1 Heavy Duty Umbrella Stand, Aluminum Umbrella's Holder Stand with 6" x 6" Base, Patio Umbrella Stand with 18.5"-2" Sunshade on Deck, Cement and Land2 Sizes of TubePortable BaseSteady UsingFix Nuts EasilyExcellent MaterialWide ApplicationRod Diameter Range: 1.5"-2",The Inner Diameter of the Small Tube: 1.5"/38 mm,Product Size:6" x 6" x 19"/15 x 15 x 48.