100% MONEY-BACK GUARANTEE - If you're unsatisfied for any reason, we'll refund you 100% of your purchase. Please refer to FAQs.
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Using a Power Ball Wrist Trainer is the most effective and convenient device to increase muscle strength in your arm, wrist, and hand. It brings gentle and non-impact relief to Carpal Tunnel Syndrome, Repetitive Strain Injury, tendinitis, arthritis, and all wrist related ailments. Just using the 250Hz Wrist Balls for 5 to 7 minutes a day is enough to make a big difference! Strengthening the muscles in your wrists, hand, and arm will help you perform at your best!
- Computer calibration ball heart balance, high stability and low noise
- special durable plastic materials
- steel shaft is not easy to break
- ball shell adopts advanced silicone rubber slip ring, exquisite and beautiful
There are 2 type for sale,the different it is the start
- Rope start one,need use rope then can start(this one we will offer 2 rope in)
- Self start(Inside have spring can start by self after a pull)