Durable and economical, designed for any size budget • Extremely versatile aluminum volleyball system offering the most complete line of net sports all within just one system • With easy to use slide collars the net is infinitely raised and lowered from men's height to tennis and anywhere in between within a matter of minutes • Unique pin-lock mechanism allows posts to adjust to Men's (7' 11 5/8"), Women's (7' 4 1/8"), and Junior's (7') net heights • The 3 1/2" O.D. lightweight high strength aluminum post with anodized finish is designed for the facility requiring a product that will withstand years of abuse and always provide dependable performance • Bottoms of uprights feature adjustable, non-marking pads • Meets US VBA , NCAA , and NFHS competition specifications.