Our Ribbed Base Wheeled base for 7-1/2' to 11' Umbrellas features a scratch-resistant powder-coated aluminum finish for added durability. Wheeled base keeps umbrella stable, but can be easily moved. Finishes include Bronze, Black, and SilverCast aluminum base with powder-coated finishWheeled base with handle allows base to be easily moved Use with outdoor umbrellas up to 11' in diameter Accepts umbrella poles up to 2" diaUmbrella pole reducer sleeves includedAlways close umbrella when not in use, or in inclement weatherMinor assembly required At Frontgate, our primary focus is quality. We guarantee that every product we sell will stand up to the supreme test – our customers' satisfaction. To learn more about our policies, visit our Shipping & Processing, Returns & Exchanges and Warranty & Price Guarantee pages.