Galvanized 1-1/4 inch (3.25 cm) O.D., long steel post with end crimped for insertion into another post of the same O.D. Made of 18 gauge 1008-10 steel tubing, galvanized using the Flo-Coat (zinc-chromate-polymer) process for excellent corrosion protection. Configuration: Includes three assemblable swedged masts for insertion into another pole with similar O.D.