Auto-Start 2.0 Power Ball Wrist Trainer Ball Forearm Exerciser. Actually, Starting this Power Ball is very simple. you only need to make some practice and then you can masterthis skills. The second generation of new products, you only need to push the core in the direction of the arrow, start by the internal spring, no rope.
- Brand: Generic
- Model: 158T-PowerballTrain514
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Price: $23.97 - In stock
