Sterling Sports Deluxe Tetherball Set LONG-TERM SETUP: Designed for in-ground installation in your front lawn or as a back yard game. Require pouring concrete base for a safe and secure setup. 12" ground sleeve included for easy disassembly. BUILT TO LAST: Galvanized Steel Pole that resists rusting and designed for all kinds of outdoor weather. Pole stands at a 10'4" after assembling with a push button lock. Pole diameter at 1 3/4" with thick, bend-proof walls. REGULATION BALL: 8" regulation sized ball made with rubber, a comfortable touch for kids and durable for adults that stays inflated after long hours of playing. SNAP AND PLAY: Ball is securely attached to an 8' high quality nylon rope with a metal hook snap clip at the end. Snap it to the eyebolt on the pole for instant play. HOURS OF FRIENDLY COMPETITION: Whether you want to bring back the nostalgic outdoor game for adults or introduce this classic yard game for kids, this tetherball set is perfect for a fun family time.