Universal Compatibility: This umbrella base fits most market umbrellas with a pole diameter of 1.3", 1.5", or 1.9" and umbrellas up to 9.2' in diameter. An adjustable knob is included to secure the pole in place Heavy Duty Umbrella Base: This 44 lbs weighted umbrella base is made of a powder-coated metal pole and a base crafted from resin and concrete for stability and durability, ensuring steady support and withstands outdoor elements Universal Wheels, Two with Brakes: You can easily move it around when you attach a rolling umbrella stand to your market umbrella. With four wheels, you can roll it to your desired location; Two wheels with brakes to lock it in place when you're there Elegant Design: With stylish woven motifs on the top surface, our patio concrete umbrella base is an instant accent piece for your patio, porch, yard or garden Outdoor Umbrella Base Info: Overall Dimensions: Φ21.5" x 15.9" H; Pole Dimension: Φ2.2" x 9.8" H; Assembly required; Suitable Outsunny Parasol Parent SKUs: X-840-125, X-84D-018; NOTE: Please measure your umbrella pole in advance to ensure our base can fit