The metal used in the antenna pole is galvanized steel with an anti-rust coating to help prevent rust and corrosion for outdoor installation. This product is heavy duty. The rod installation bracket is made of 0.2-inch thick galvanized steel and is strong enough to support heavy antennas. This antenna rod is easy to install and features a V-JAW block with dual U-shaped bolts to prevent the pole from sliding down. The rod installation mount is designed for fixed rods with a diameter range of 1.1 to 1.97 inches (30–50 mm). It is commonly used for external antenna racks and can be mounted on building roofs or walls, suitable for various antenna installations. Color: Silver Material: Steel Package Contents: 1 x Antenna Pole Mount Kit Note: The package includes only the items listed above; other products are not included. Note: Light reflection and differences in display screens may cause slight variations in the color of the item as shown in the picture compared to the actual product. Measurement may vary by +/- 1–3 cm.