The steel installed by way of 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 manufactured from 0.2 -inch thick galvanized metal is robust enough to carry heavy antennas. This antenna rod is straightforward to install, and makes use of a V JAW block with twin U -shaped bolts to ensure that the pole would not slide down. The rod set up seat can be utilized for fixed rods, with a diameter fluctuate of 1.1 to 1.97 inches (30-50mm). It is widely used for exterior antennas racks, can be used for building roofs or walls, and is appropriate for antennas. Color: Silver Material: steel Package Contents: 1 x Antenna Pole Mount Kits Only the above kit content, different products are not included. Note: Light mirrored image and diverse displays can cause the colour of the article in the photograph a little bit various from the real thing. The size allowed error is +/- 1-3cm.