Description: 【Sturdy and Durable】The umbrella stand metal parts are made of heavy duty aluminum alloy. There is an opening at the bottom of the umbrella stand to drain the rainwater, so you don't need to worry about the umbrella stand being corroded and rusted by the rain. 【Simple Installation】No tools needed, attaches to most railing, fence, bleachers, benches, tailgates, boats and more; 【Save Space】The umbrella stand saves more space on decks, patios, gardens and other outdoor places, no more heavy and annoying umbrella bases on your deck or patio. Also it is portable, you can take it anywhere outdoors to use. 【Use For】2.7cm/1.06inch Inner diameter tube to hold the umbrella securely, fits umbrellas that are less than 27mm in outer diameter. 【Application scope】Umbrella clamp is perfect for use on any corner surface, such as deck, bleachers, tailgate, boat, fence, etc. Except for supporting the umbrella, it is also great for holding flags, torches, fishing rods, or other poles, so it can also be used for fishing, picnics, parades, camping, working outdoors and so on. Specification: Material: Aluminum Alloy Size Chart: 6.4cmx6.4cm/2.52inchx2.52inch Package Includes: 1 Fishing Umbrella Mount Note: Please allow slightly errors due to manual measurement and different monitors.