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About this item

• Replacement Ball and String for Tennis Trainers
• Long elastic cord brings the ball back so you can hit it again and again
• Great for practice and grooving your strokes
• Made for the Tourna Fill-n-Drill Tennis Trainer but can be used on any water filled tennis trainer
• Fits all tennis trainers

Fits all tennis trainers with a water filled base. Simply tie around the base with a secure knot and you're ready to play.