The 7302:Libero Master Telescopic Two-Court Volleyball Systemis a top-of-the-line, premium volleyball system made for competitive play. The 4” O.D. telescopic uprights are comprised of a strong, but lightweight, anodized extruded aluminum for an increased durability. An internal spring assist guide comes with this system to allow the telescoping posts to glide easily up or down for precise height adjustment without having to take off the net. An easy-to-operate ratchet allows you to set the net tension to your liking. Net attachment is made easy with our new 3-point setup. The height indicator includes the regulation height for Men’s (7’ 11 ⅝”), Women’s (7’ 4 ⅛”), and Junior’s (7’). Our wedge lock holds the sliding rail system securely. One, two, and three-court systems available. All meeting the US VBA, NCAA, and NFHS competition specifications.10-year limited warranty on posts. 3-year limited warranty on winch assembly, locking rails, floor sleeves and covers.