Our functional umbrella base adds much fun to your outdoor experience. Powder coated framework reinforces strength and durability of this umbrella stand, which is more stable and easy to resist to the wind. Two hand tightening knobs allow you to tightly set the position of the umbrella pole for stability. The umbrella base is compatible with umbrella pole from 1.37'' to 1.88'', and it perfectly work with the 1.37''/1.49''/1.88'' diameter pole for 3 adapters, whether for commercial and residential use. It is an ideal choice for many outdoor needs, such as concession stand, craft fairs, flea markets, etc. You can also use the base with umbrella for backyard barbecue with your friends as well.Features:Accommodate to a 1.37''/1.49''/1.88'' diameter umbrella pole for having 3 adaptersTwo hand tightening knobs to fix the position of umbrella in windy conditionsWeather-resistant surface for outdoor use