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.

Gyroscope Hand Exerciser: The power wrist trainer ball adopts a self-starting design and requires no power supply. It can be easily started by simply turning the wrist, and the strength can be controlled, accompanied by changing lights to achieve the effect light decompression.
High-quality material: The power wrist trainer ball is made of polycarbonate and silicone, the ball core is an alloy material, durable, good texture, not easy to damage, the rubber area on the surface is perfect to prevent the gyroscopic hand trainer from slipping out of your hand.
Effective training: The automatic start-power wrist trainer ball can effectively train your wrist strength, relieve fatigue and weakness of the hand, improve blood circulation and promote recovery after an injury.