High Quality Materials: Z bracket with double U-bolts are made of galvanized iron with Dacromet coating, providing improved weather resistance and strong corrosion resistance, suitable for installation in harsh environments Easy Installation: Antenna mast bracket is available in diameters from 25 to 50 mm, and the U-shaped design allows for quick installation and removal while providing excellent stability Used outdoors and can be mounted on roofs or walls of buildings for various types of antenna masts such as radio or television antenna masts, flag poles, patio umbrella poles, etc. Fine Craftsmanship: Each antenna mount is meticulously designed and manufactured, both in terms of surface treatment and parts assembly, to improve overall durability and appearance quality Shipping Quantity : 1 piece