tennis racket weight training swing practice weighted trainer | Shop The World
From USA
NewColaxi
Tennis Racket Weight Training Swing Practice Weighted Trainer for Outdoor Sport Posture Swing Guide Youth, Green Orange Black
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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: Made of metal material, and easy to use, Can be screwed on the tennis racket both sides.
•Type: Tennis Racquet Weight Adding Device
•Effect: accelerates the formation of muscle memory during the swing, and makes your muscle stronger, when finish the training and remove item, you get faster swing speed and stability.