Stability and quality is king when it comes to this steel umbrella base. Though made of heavy weight steel, the casters featured underneath allow for easy transporation. The base holds umbrellas in place up to 9 ft while long stem accommodates poles at the maximum of 1 3/4" diameters. The adjustment knobs hold the umbrella in place while the concrete center keeps the entire base secure. Available in several finishes rust and scratch resistant finishes this base is attractive in both style and price. Use this base by your pool side, outdoor leisure area, restaurant deck or patio.