The metal put in via the antenna pole is inspired steel, which has anti -rust coating to prevent rust and corrosion for outside installation. This is awfully heavy.The rod set up bracket fabricated from 0.2 -inch thick galvanized metallic is powerful ample to carry heavy antennas.This antenna rod is simple to install, and uses a V JAW block with dual U -shaped bolts to ensure that the pole doesn't slide down.The rod installation seat can be utilized for constant rods, with a diameter vary of 1.1 to 1.97 inches (30-50mm).It is broadly used for external antennas racks, can be used for constructing roofs or walls, and is acceptable for antennas.Color: SilverMaterial: steelPackage Contents:1 x Antenna Pole Mount KitsOnly the above kit content, different merchandise aren't included.Note: Light reflection and assorted displays may cause the colour of the article within the photo somewhat various from the real thing. The measurement allowed error is +/- 1-3cm.