All Bison steel Foul and Fair™ Poles are constructed of 4” square, 11 ga. steel tubing for excellent stability and lasting durability. Steel expanded metal wings with tubular frames extend 16" and are designed to reduce wind load. 12' poles are fully welded 1-piece, 16’ poles are 2-piece, and 20’ poles are 3-piece with heavy connection hardware at the connecting points for superior rigidity. Choose direct bury or removable pedestal base.