XCBW Supernova Models Gyroscopes, Wrist Trainer Gyro Ball, Rehabilitation and Strengthening, Wrist, Grip, Forearm, Arms…

【A GREAT SPORTS TRAINING AND FITNESS TOOL】 This hand grip strength trainer is a great sports training and fitness tool for use at home and in the gym. If you like golf, basketball, volleyball, baseball, tennis or more, this is wrist machine is must-have equipment for strengthening your wrist muscle.
【MADE OF PREMIUM ABS, EVA, PU MATERIAL】 This hand grip exerciser strengthener is made of premium ABS, EVA, PU material, strong, and has good durability, long service life, you can use it for a long time.
【PROFESSIONAL TECHNOLOGY,ADJUSTABLE】 Adjustable Wrist Machine is designed with newest professional technology; this wrist machine could not only adjust the handle size, but also could adjust the strength scope, and it let you feel more safe and comfortable.

Wrist Band Ball: The bouncy ball is 6.3 cm / 2.48 inches in diameter (approx.). Each bouncy ball is attached to a wrist strap with a stretchable cord attached.
Service: We attach great importance to after-sales service, so if you have any questions about the item, please feel free to contact us.
Fun: Fasten the wrist cloth to your wrist, then throw the ball. When it bounces, the ball will return to your hand with the help of a bouncy rope.