Tennis Trainer Hand Eye Coordination Self Training Tool for Hitting Training Description: [Tennis Trainer]: Floor Tennis Trainer, a very convenient tennis trainer. The tennis trainer for practice training, playing without being restricted by place or person. [Exercise Your Reflexes]: The tennis training machine will improve your reflexes, hand eye coordination. Stability, focus , quick, and training hitting, can be played with two or even more people. [Tennis Swing Stable ]This tennis trainer swing trajectory of the tennis ball is very stable , swinging back and forth along a straight line, suitable for beginners and training fixed movements [High Quality]: Made of material, adjustable height, very convenient, durable. Help beginners start to learn to hit, then wait for the ball to back for other rounds of forehand. [Training Equipment]This Trainer can be played indoors and outdoors. Our professional practice machine uses the technology of different diameter rods, the trajectory of tennis is closer to the actual combats, Specifications: Material: Size: 81cm or 31.89inch Package Includes: 1 Tennis Trainer