POSTS MADE OF RIBBED ALUMINUM OF ROUND SECTION OF 90 MM. DESIGNED TO ANCHOR TO THE GROUND BY METAL TINS AND JOINING PIECE - INCLUDED. IT INCLUDES TENSIONING RATCHET TO BE ABLE TO TENSION THE CABLE OF THE NET THAT YOU WANT TO PLACE AND HEIGHT REGULATING SYSTEM BY MEANS OF MOBILE PLATES CAPABLE OF PLACING THE NET AT THE DESIRED HEIGHT, TENNIS, BADMINTON, VOLLEYBALL OR OTHERS BETWEEN 1 AND 2,50 METERS. IMPORTANT: THIS PRODUCT MUST ALWAYS BE ANCHORED TO THE GROUND.