The metal of the antenna wall mount is galvanized iron with rust-resistant coating to prevent rust and corrosion for outdoor installation which are very heavy and well-formed.
Heavy-duty stand off wall mast mount clamps are made of 0.2inch thick galvanized iron, strong enough to bear heavy antenna masts. The steel bars were very heavy and well-formed. With these mounts the attached antenna is absolutely stable with no sway.
If you need to mount a large mast and antenna, this is the bracket you want to get. It's seriously heavy duty and will last forever. This wall mount could support a long mast with a large antenna on top.
The Antenna Wall Mount is easy to install. Setup is pretty easy for wood siding with lag bolts. It also comes with expansion bolts for concrete. And note that the 3-legged one at the bottom.
Kit includes: 1 pair(2-leg and 3-leg mount braces), including U-Bolt ,V-Block Brackets ,M8*60mm expansion bolts and lag bolts for reliable mount.