Tangkula 35 LBS Patio Umbrella Base, 20 Inches Heavy Duty Umbrella Stand, Square Umbrella Base w/Non-Slip Pads, Tightening Knob & 2 Adapters, Outdoor Umbrella Stand for Yard, Poolside, Garden (Black) - umbrella stands 10529

• Suitable for Various Umbrella Sizes: The umbrella base comes with 2 plastic adapters with diameters of 1.6 "and 1.9" respectively. You can insert different sizes of adapters according to the diameter of the size of your umbrella pole. It is suitable for a wide range of umbrella poles with diameters of 1.6" to 1.9". Handy Knob & Adjustable Pads: The base has an easy to operate manual knob, which can be tightened to secure the poles of different sizes to the base for optimum strength and stability. In addition, there are four adjustable pads at the bottom of the umbrella base to keep your patio umbrella stable on uneven ground. Great Stability & Durability: Made of heavy steel construction with a powder coated finish, our umbrella stands are waterproof, rustproof, anti-fading and resistant to distortion. Up to 35 lbs in weight, the umbrella stands are stable, preventing the patio umbrella from tipping over. Elegant Design for Wide Application: The black umbrella base is low-key and classic, with an elegant square design that can be used to decorate a variety of patio umbrellas. You can place it to your balcony, courtyard, deck or poolside, and it will decorate your outdoor space with your patio umbrella. Simple Design for Easy Installation: The simple design of the umbrella base make it easy to assemble without additional tools. You can simply finish it by attaching the steel tube to the base using the gasket and bolt provided, inserting the patio umbrella and tighten the manual knob.