Specification Brand : XRDS -RF BulletPoint1 : The metal of the antenna mount bracket is iron that is coated with zinc to protect it from rust and corrosion for outdoor installation which are very heavy and well-formed. BulletPoint2 : Heavy-duty stand off wall mast mount clamps are made of 0.2 inch iron that is strong enough to bear heavy antenna masts. The iron bars were very heavy and well-formed. With these mounts the attached antenna is absolutely stable with no sway. BulletPoint3 : If you need to mount a large mast and antenna, this is antenna mast brackets you want to get. It's seriously heavy duty and will last forever. This antenna wall mount could support a long mast with a large antenna on top. BulletPoint4 : 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. You will get a 3-legged mount, plus a 2-legged mount (same gauge hardware as the three-legged). And note that the 3-legged one at the bottom. BulletPoint5 : 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. ExternallyAssignedProductIdentifier1 : 0658361452244 ExternallyAssignedProductIdentifier2 : 658361452244 ItemName : XRDS-RF Antenna Wall Mount 14 Inch Heavy-Duty Stand Off Wall Mast Mount Windproof Antenna Mounting Bracket for TV Antenna Mast (3-Leg + 2-Leg) ItemPackageDimensions_Height : 41.0972 centimeters ItemPackageDimensions_Length : 3.7084 centimeters ItemPackageDimensions_Width : 12.8016 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : television-ceiling-and-wall-mounts Manufacturer : XRDS -RF ProductDescription : XRDS-RF Antenna Wall Mount 14 Inch Heavy-Duty Stand Off Wall Mast Mount Windproof Antenna Mounting Bracket for TV Antenna Mast ( 3-Leg + 2-Leg) ProductSiteLaunchDate : 2023-10-16T07:34:31.563Z Size : 14 inch Style : 2-Leg + 3-Leg SupplierDeclaredDgHzRegulation : not_applicable