Powerball Wrist Ball Trainer LED GyroscopeThe Powerball Wrist Ball Trainer is the perfect way to improve your wrist, grip and arm strength. With a maximum rotation speed of 12,000 rpm, it can generate up to 32kg of resistance, making it the ultimate product for forearm exercises. Slow rotation is perfect for gentle rehabilitation, or you can go for fast rotation for up to 60 seconds for a more intense workout. Product Description: Stainless steel chrome plated housing Automatic start
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