Endurance Playground Systems are designed especially for the busiest playgrounds and the heaviest play. All systems feature a gigantic 6' square steel post manufactured with 1Ú4' THICK SCHEDULE 40 STEEL the most rugged square post in the industry! These units feature Gared Sports' exclusive heavy gauge triangular extension arm and thick braces for additional board stability. System Includes 6' square black powder coated steel post with 4' adjustable extension 42' x 60' acrylic backboard Endurance breakaway rim Limited Lifetime Warranty on post, ext arm and braces