This super strong heavy duty telescoping mast is made of .125 " thick wall fiberglass tubing. This mast supports weight including yagis, verticals, loops, full-size dipoles, G5RVs and more. - 22 ft. extended, 5 ft. collapsed, - Weighs 9 lbs. - Comes with military quality UV protected QuickClamps. - Standard and H models have a 2" bottom and a " top section.