I use this when I am sitting at my computer for endless hours during the work day, it helps numb the bordom.
(18 customers reviews)
Customers Rating=4.5 / 5.0
More Detail For Gripmaster Pro Hand Strengthening System Medium Tension 7 Pounds per Finger
- High-quality hand exerciser with spring-loaded finger piston technology
- Isolates and strengthens each finger individually for better overall coordination
- Improves user control of bats, racquets, clubs, guitars, and other sports equipment
- Fits conveniently in your pocket; lets you strengthen fingers anytime, anywhere
- Medium tension strength of 7 pounds per finger for average strength hands
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