Professional Tennis Trainer Rebound Ball with String Baseboard - Self-Study Dampening Tool for Enhanced Training and Exercise

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Product: Single Tennis Training Device

Width: about 21cm

Thickness: about 5cm

Rubber cord length: 3.8m

Uses: training with a single tennis player
Note:

1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you