5Pcs/Set hand grip strength simulator for fingers expander Hand strengthener power ball Workout Adjustable Rehabilitation Stress
FOR ATHELETES & MUSICIANS: Improve hand & finger strength for athletes (rock climbing enthusiasts, fitness, tennis, baseball, boxing, tennis, golf and shooting) and musicians (guitar players, bass players, pianists and violinists). See results fast using your hand exercise equipment.
REHABILITATION & STRESS RELIEF: Reduces joint pains, stiffness, release daily stress and helps recover from arthritis, carpal tunnel, tendonitis, tennis elbow or wrist, tendon surgery.

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5Pcs/Set Spring Hand Grip Power Strength Expander For Hand