Description: 【Sturdy Steel Construction】: This patio umbrella holder is crafted from thickened steel, sturdy and high hardness, ensuring durability and long term use 【Stable and Wind Resistant】: The sturdy structure provides stability and resistance to strong winds, making it a reliable choice for outdoor use 【Easy Installation】: Features extended threading for easy and secure railing mounting. The parasol holder remains firmly in place without slipping, yet can be conveniently assembled or disassembled as needed 【Wide Application】: Suitable for a wide applications, including outdoor gardens, courtyards, benches, chairs, tables, docks, boats, tricycles, small trucks, etc, offering flexibility for various settings 【Enhanced Security with U Shaped Long Screw】: Equipped with U shaped long screw that enhances the stability and security of your outdoor umbrella setup Size Chart: 9.5cmx11cm/3.74inchx4.33inch Package Includes: 1 Patio Umbrella Stand Set Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.