This Bronze Finish Square Heavy Duty Outdoor Umbrella Stand Base is ideal for holding your beloved umbrella to beautify your surrounding environment. This is our 17.5″ square umbrella base, which is ideal for holding your umbrella securely and evenly in place. It is really a practical addition to your backyard or your patio area. Includes a couplet to allow it to fit 38mm to 48mm (by removing the adapter) in diameter umbrella poles. Includes a hand-turn knob for securing umbrella to the base. Don’t hesitate to add this useful base to your cart.Bronze Finish Square Heavy Duty Outdoor Umbrella Stand BaseBrand new and good qualityHolding your umbrella securely and evenly in placeBeautiful decorative pattern and bronze finishSteel upright and resin base constructionRust-resistant for long life-timeSimple assembly requiredColor: BronzeMaterial: Steel upright and resin basePackage include:1 x 17.5″ square umbrella baseDimensions: 17.5″ x 17.5″ x 13(L x W x H)Package size: 23″ x 20″ x 5″ (L x W x H)Steel upright size: 57mm & 10″ heightWeight: 30lbs.