With a heavy-duty steel frame, this patio umbrella base is stable enough to hold most market umbrellas without tipping over. The smooth powder-coated surface prevents the base from rust and scratches. Designed with a hand-turn tightening knob, you can lock and secure the umbrella to the base stable. Its pole holder has great compatibility with 1.4 in, 1.5 in, and 1.9 in diameter adapters to fit nearly all umbrellas of different sizes.
Made of high-quality steel, it has excellent wear resistance and is not easy to crack or deform
20 in x 20 in square base increases the contact area for added sturdiness
36 lbs weight ensures overall stability on windy days
There are 4 adjustable levelers at the bottom to balance the umbrella base on uneven ground
The rounded corner of the base avoids accidental injury during installation