Type: Tennis Racquet Weight Adding Device
Material: Made of metal material, durable and easy to use, Can be screwed on the tennis racket both sides.
Functional: Weight trainer before practice or a match, used for and for developing arm strength, swing practice.
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.
Fit: Suitable for women, men, kids, teens, youth, beginners, Increase swing speed, swing trainer.