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https://spordiareenid.ee/wp-content/uploads/2022/05/Spordiareenid_US_tennisevorgu_korguse_moodik_40562_1.jpg800800The practical altimeter for tennis nets should be carried by every tennis player. Just hang the tennis racket in the middle of the net over the center band and let the chain with the massive steel ball hang on the oor. When the steel ball touches the ground slightly, you have the prescribed net height of 91,4 cm. Galvanized version with storage bag.