The metal of the antenna pole mount is galvanized iron with rust-resistant coating to prevent rust and corrosion for outdoor installation which are very heavy. The Pole Mount Bracket made of 0.2 inch thick galvanized iron, strong enough to bear heavy antenna pole. This antenna pole mount bracket is easy to install, use V Jaw Block with double U-bolts to give a stronger install for ensuring the pole not slip down. The pole mount can be used for holding poles with diameters ranging from 1.1 to 1.97in (30-50mm). Widely Use for outside home antenna pole holder and can be applied to building roof or wall, suitable for kinds of antennas pole.