AAE's Baseball and Softball Foul Poles with Screen Wing are designed for durability and visibility. They feature heavy-wall structural aluminum tubing with a powder-coated finish. The offset mesh-screen wing, made from 1-½" aluminum diamond-pattern mesh in a welded aluminum frame, helps umpires accurately determine fair or foul balls. The 22' model uses a 4"-diameter aluminum tube, while the 30' model uses a 6"-diameter tube for extra strength. Available in white, yellow, or orange, with custom colors and sizes available on request, these foul poles meet 2018 NCAA softball field requirements and offer long-lasting performance with minimal maintenance.