[QUALITY MATERIALS] The mounting brackets extension arm features a protective all-weather matte black powder coating, providing excellent corrosion resistance, durability, and resistance to deformation. Built to last for years without replacement. [WIDELY USED] This extension mounting arm is suitable for various poles and applications. Compatible with solar street lights, outdoor lighting, parking lot floodlights, barn lights, and more. Can also be used as support rods for antennas, tire storage, wall mounting brackets, wall hooks, and tree-shaped arms. [WIDE SIZE RANGE] The light pole mount size is ideal for most applications: 2 inches (50mm) diameter; available in 20 inches (50cm) and 10 inches (25cm) lengths. Strong yet lightweight, suitable for elevated installations. Fits poles with diameters ranging from 1.6 inches to 3 inches. [EASY INSTALLATION] Simple and secure installation. Sturdy pole design ensures a perfect fit for street lights. Installation can be completed in just minutes. The solar street light mounting bracket can be installed directly on the fixture or on a pole. Quantity: 1 Piece Color: Black Material: Metal Package Contents: 1 x Mounting Brackets Extension Arm for Outdoor Light Fixtures (includes mounting screws and tools) Note: Light reflection and display differences may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1-3 cm.