Sell Tennis Ball with String Singles Training Practice Trainer Equipment best price

Description: It takes up small space, and can be used on outdoor or indoor, easy to carry. It can have the same effect with the original one. It is used for tennis training. Specifications: Material:High quality rubber and woolen Advancing deformation: 0.23-0.27N  Elasticity: 138--147cm Weight: 56.7-58.5g Diameter: 63.5-66.7mm Package Included: 1 x Tennis Ball with String Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. #Rope #Training #Ball #stringreplacement #Tennis #Rubber #tennisball #Lines #Exercise #pickingup