Cone tapered aluminum flagpoles combine durability with minimum maintenance. These poles are constructed from 6063-T6 aluminum possessing a minimum ultimate tensile strength of 30,000 psi and a minimum ultimate yield strength of 25,000 psi, complying with ASTM B-241 standards. All Flagpoles include a groundsleeve, cleat, halyard, collar, revolving truck assembly and aluminum ball and galvanized steel ground tube. Internal Electric Winch may be added at extra cost - ask when ordering.