Product Description Heavy Duty Portable Base and Uprights. Base is 30" in diameter and 250 lbs for indoor and outdoor use. Features a protective edging that prevents marring of the floor. Two 5" wheels for easy portability. Uprights consists of 2" O.D. galvanized steel. Features 2-adjustable collars so the net (sold separately) can be placed at the appropriate height. Great for P.E., badminton, volleyball, etc. and now 10' high to accommodate tetherball!