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From USA
NewTaktZeit
TaktZeit Tennis Balls with String Spare Balls for Tennis Trainer Tennis Balls for Rebound Baseboard Self Tennis Training Tool
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Material: Tennis balls are made with a rubber core and covered in felt, basic tennis balls come with 15% wool felt and pro balls come with 60% wool felt
•Stretchy String: Length is about 149.6inches, elasity is about 51.2 inches
•Metal hook to attach to the tennis training baseboard, easy to install, can be use as tennis spare balls of tennis trainer
•Convenient for repeated training, suitable for tennis beginners, recreational players to play, thick walls on the core gives them a unique "pop" sound at impact
From USA
