Versatility best describes this net system. Easily converts from a competition men's, women's or junior's height volleyball net system to tennis or badminton net systems. The lightweight 3 1/2" diameter aluminum posts weigh only 41 pounds each and are easily transported and setup. A worm gear is included to safely adjust net tension. Floor sleeves sold separately. Made in the USA. Note: NEVER ALLOW CHILDREN TO MOVE OR ATTEMPT TO MOVE GAME STANDARDS!