Hand Finger Stretcher Expander Exerciser For Guitar Sax Guzheng

Description:

Plastic Hand Resistance Finger Extensor Exerciser Strengthener Trainer.
Visible physical force adjustment, you can see the change while practice.
Exercise fingers, promote the flexibility in the hand and brain.
Improve strength, power and speed in the fingers, palm, wrists and forearms.
Widely used for athletes(rock climbing enthusiasts, fitness, tennis, baseball, boxing, tennis and golf) and musicians(guitar players, bass players, pianists and violinists).

Size Chart:

Medium Size: approx. 140 x 23 x 11mm/5.51 x 0.9 x 0.43inch
Large Size: approx. 150 x 25 x 11mm/5.9 x 0.98 x 0.43inch

Package Includes:

1 Piece Hand Finger Exerciser

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