The metal installed by means of the antenna pole is electrified steel, which has anti -rust coating to forestall rust and corrosion for outside installation. This is terribly heavy.The rod set up bracket made of 0.2 -inch thick galvanized metallic is powerful satisfactory to hold heavy antennas.This antenna rod is easy to install, and uses a V JAW block with twin U -shaped bolts to make sure that the pole doesn't slide down.The rod set up seat can be utilized for constant rods, with a diameter differ 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 suitable for antennas.Color: SilverMaterial: steelPackage Contents:1 x Antenna Pole Mount KitsOnly the above package content, different merchandise aren't included.Note: Light mirrored image and diverse displays could cause the colour of the article within the photo just a little diversified from the genuine thing. The measurement allowed error is +/- 1-3cm.