Heavy-Duty Outdoor Umbrella Base with Dual Adjustable Knobs & Flexible Weight Capacity | Durable HDPE & Steel Construction for Garden, Patio, Lawn | Fits 1.38-1.89" Diameter Poles

Dual adjustable steel knobs securely lock 1.38-1.89" poles for stable support in windy conditions HDPE plastic & galvanized steel construction withstands UV exposure and moisture damage 83 lb sand/water capacity provides superior wind resistance for large umbrellas Detachable steel frame folds to 22"×20"×6" for garage-friendly storage Black powder-coated finish matches modern decor while resisting fading/ corrosion