7.Builds incredible grip strength for golf, tennis, baseball, hockey, bowling, rock climbing and more
6. The couter can be added later if required
5. Certificate: CE
1.Power ball
2. Size:74mm diameter
3. Material:PC case, zinc alloy cord, silicone anti-slip strap,
4. Function:Up to 35 lbs of gyroscopic force, 250HZ@ 15,000 RPM,without LED lights.
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Place of Origin: | Zhejiang China (Mainland) |