Premium Material: This flagpole holder is made of aluminum alloy, which is strong enough to withstand strong winds. Product Dimensions: The double flagpole bracket measures 13cmx12.5cmx6.5cm/5.12inchx4.92inchx2.56inch, and the hole diameter measures 28mm/1.10inch. Adjustable Design: The metal flagpole bracket allows the flagpole to be adjusted, allowing you to display the flag at its optimal angle. Wide Application: This flagpole holder is perfect for residential or commercial flags such as indoor and outdoor celebration & decoration flags and other sign flags and banners. Occasion: The metal flagpole holder can be installed on walls, yards, roofs, outdoor railings, house porches, patios, wooden stakes or even trucks. Specification: Material: Aluminum Alloy Size Chart: 13cmx12.5cmx6.5cm/5.12inchx4.92inchx2.56inch Hole diameter measures 28mm/1.10inch Package Includes: 1 Double Flagpole Bracket Note: Please allow slight errors due to manual measurement and different packaging.