Durable, economical Scholastic Volleyball System is designed for any size budget.3 1/2” O.D. uprights are constructed of a strong, yet lightweight anodized extruded aluminum for superior support and long life. 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. Easy-to-operate ratchet winch sets net tension. New 5-point net attachment makes set up quick and easy. Locking collar securely holds net in position. Bottoms of uprights feature adjustable, non-marking pads. Meets USVBA, NCAA, and NFHS competition specifications