The metal installed by the antenna pole is galvanized steel, which has anti -rust coating to prevent rust and corrosion for outdoor installation. This is very heavy.<br> The rod installation bracket made of 0.2 -inch thick galvanized steel is strong enough to carry heavy antennas.<br> This antenna rod is easy to install, and uses a V JAW block with dual U -shaped bolts to that the pole does not slide down.<br> The rod installation seat can be used for fixed rods, with a diameter range of 1.1 to 1.97 inches (30-50mm).<br> It is widely used for external antennas racks, can be used for building roofs or walls, and is suitable for antennas.<br> Color: Silver<br> Material: steel<br> Package Contents:<br> 1 x Antenna Pole Mount Kits<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin