Provide Strong Support for Your Outdoor Leisure Time! Our umbrella base stand is made of premium steel with a powder-coated surface, which is weather-resistant and rustproof, ensuring long outdoor service time. It has great solidity and would not let the umbrella tilt easily. Besides, with 2 adapters of different sizes, the outdoor market umbrella fits various umbrellas with 1.6'' or 1.9'' umbrella poles. Moreover, you can tighten the knob to secure the umbrella pole in place, ensuring extra stability. It is also equipped with 4 adjustable footpads to keep stable on uneven ground while protecting your floor from scratches. With clear instructions and all necessities, you can finish installation in a short time. This versatile umbrella base allows you to enjoy joyful outdoor time in the yard, balcony, terrace, poolside, cafe shop, and so on.FeatureConstructed of powder-coated steel, weather-resistant, anti-fade, rustproof, sturdy 2 sizes of adapters, suitable for patio umbrella poles of 1.6'' or 1.9'' diameter The adjustable tightening knob helps secure the umbrella pole The bottom adjustable footpads help keep stable on uneven ground The simple all-black appearance can perfectly blend into your outdoor decor Easy and quick to set up, just rotate the pole and install 4 footpads Widely used in the patio, poolside, backyard, balcony, commercial place, and so on The flat umbrella base can be placed under the patio tableSpecificationColor: Black Material: Steel, PP Overall Dimensions: 20'' x 20'' x 13'' (L x W x H) Suitable Diameter of Pole Hole: 1.6'', 1.9'' Net Weight: 35 lbs Package Included: 1 x Umbrella Base 1 x User’s Manual