This practical umbrella base will be a great addition to your backyard, poolside and other outdoor places. Constructed of high-quality steel, the umbrella base features excellent strength and durability, which is sturdy enough to be used for a long time. Besides, the hand tightening knob allows you to tightly set the position of the umbrella pole for stability. With its concise flat design, this outdoor patio umbrella stand not only adds beauty to your house, but also can be placed underneath the table. Moreover, this square base includes 3 adapters to fit 1.4'', 1.5'' and 1.9'' diameter umbrella poles, which can meet your daily needs. Comes with all required accessories, it is easy to install the umbrella base with instruction.Features:Heavy-duty steel construction ensures adequate stabilityWeather-resistant surface is suitable for outdoor use4 adjustable levelers can fit well on uneven ground