All-Metal Power Gyro Ball with Ball Bag,Hand Wrist Forearm Trainer and Strengthener for Exercise Joint and Muscle,Gyro Ball Wrist Exerciser
- Premium Quality: All-metal construction, cordless and auto-starting design for durability
- Simple Usage: Easy to use by following arrow direction and rotating palm for a convenient workout
- Efficient Rotation: Smoother, quieter and faster rotation with integrated turning and strengthened spring design
- Auto Start: Starts automatically with a push in arrow direction, no rope needed, convenient with internal spring
- Helpful Exercise: Strengthens hands, wrists and forearms, ideal for office workers, students, climbers and athletes



























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