Achieve the perfect balance of strength and mobility with this 55 lb. Heavy-Duty Concrete-Filled Umbrella Base. Engineered to secure upright umbrellas from 6 ft. to 12 ft., its solid core provides maximum wind resistance for your outdoor oasis. 4 protective foot pads ensure your deck or patio remains scratch-free. Designed for ultimate versatility, it includes 3 interchangeable adapters 1.37""-1.9"") to fit various pole diameters, all finished with a weather-resistant coating for long-lasting performance in any backyard or poolside setting.