For sale is one tennis swing trainer. This tennis trainer has a metal rotational axis through the ball to simulate topspin. This is because topspin is key to the modern game of tennis. There is spring at the bottom of the pole to provide a natural reactive force. The rod is detachable so you or a friend can also hold it on the other hand to practice the feel of topspin serve or under-spin slice. The height is adjustable to accommodate junior as well as adult. This swing trainer will help accelerate your modern tennis technique development.
We mainly ship to the United States free shipping. There is a $2 extra shipping fee to other countries because of different rate. This item will be shipped from China/Hong Kong/Taiwan region with tracking number trackable at usps.com . (International customers can track packages through 17track.net.) The Handling time is about 5 days. This is because there can be delay with post office acceptance and customs clearing. Once the package is processed and clears customs, shipping time is about 4 weeks. We will update the tracking number as soon as it is accepted by the post office. Once accepted, the tracking number is immediately trackable at usps.com and 17track.net . If request, we can send you actual digital pictures of the item and the shipping address label to minimize potential surprise. This item is returnable. The item must be in new/unused condition. The return address is in Los Angeles county, 91337, United States.