This durable parasol base is perfect for keeping your parasol from tipping over or being blown away. The umbrella holder consists of a granite base and a stainless steel tube. Our solid granite parasol base provides a firm and sturdy base for holding your umbrella and keeping it from tipping over or being blown away. Made of strong granite and with a weight of 55.1 lb, this umbrella weight plate is extremely stable and ensures your parasol stand still even in windy weather. The umbrella holder has 2 locking bolts to keep the umbrella pole in place. One adapter is included, making the parasol base holder suitable for parasol poles with diameters of 1.5"/1.9". Color: Black Material: Granite weight plate + stainless steel tube holder Base dimensions: 17.7" x 9.8" x 3.3" (L x W x T) Tube height: 11.6" Tube external diameter: 2.2" Tube internal diameter: 1.9" With an adapter for umbrella poles with a diameter of 1.5"/1.9" Weight: 55.1 lb Featuring 4 skidproof pads Firm and sturdy base Features 2 locking bolts to keep the umbrella pole in place Includes an adapter