Parasol Base, Garden Parasol Columns, Universal Parasol Column with 3-Part Reducer Ring (50/40/32 mm), Parasol Sleeve Supports, Parasol Base Column for Granite

ADJUSTABLE NOZZLE DIAMETER: The set includes three PVC sleeves. The sizes are 1.26" (32 mm), 1.57" (40 mm), and 1.97" (50 mm). You can choose the appropriate sleeve based on the diameter of your umbrella pole and then tighten the two fixed knobs on the umbrella base. This ensures that the umbrella won't wobble on windy days. • HIGH-QUALITY MATERIAL: This granite umbrella holder tube is made of high-quality, industrial-grade stainless steel, coated with black paint, making it difficult to corrode and rust, and durable. The base of the marble umbrella tube has welded points on the bottom, firmly welded, and not easy to bend or break. • WIDE APPLICATION: The sturdy umbrella holder can be attached to a cement board, granite board, iron board, wooden table, slate board, marble board, etc., and is compatible with umbrella poles, flagpoles, windsock poles, and more. Umbrella poles. • Hollow umbrella seat base: This umbrella seat base is hollow, allowing rainwater to enter through the top and drain quickly through the bottom. It does not accumulate water, which helps prevent oxidation and corrosion, thus extending the product's lifespan. • WHAT YOU GET: In this set, you will receive one umbrella base, one 1.57" (40 mm) PVC pipe sleeve, one 1.26" (32 mm) PVC pipe sleeve, one 1.97" (50 mm) PVC pipe sleeve, and eight steel nails. If you have any questions, please feel free to contact us; we are happy to help.