Rugged system is designed for California-style power volleyball. Galvanized posts are 3-1/2" and powder coated for maximum rust resistance. Net is infinitely adjustable to insure exact net height for competition or recreational volleyball. Includes post padding, net, and antennae. Has backlash-free top rope tightener. Install permanently in concrete or using ground sleeves (sold separately). 5-year limited warranty. Made in the USA.