Pro Guitar Hand Grip Power Finger Exerciser

Fully closed without clamping hands, the spring is not exposed, which is safer and more firm.
Streamlined design, more fit the palm, practice is not easy to fatigue.
High quality silica gel pad, with silica gel pad at the top and bottom, comfortable handle, anti slip and anti perspiration.
Groove setting, finger positioning, anti-skid.
The buttons are flexible and durable.

Dimension length: 8.8 * 6.7 * 2.5cm
Net weight: about 82g
Material: ABS
Product features: portable, easy to carry
Origin: China
Children's: strength 2-5 pounds, users: 4-10 years old children
Adult: strength 4-7 pounds, suitable for people over 10 years old

Fully closed without clamping hands, the spring is not exposed, which is safer and more firm.
Streamlined design, more fit the palm, practice is not easy to fatigue.
High quality silica gel pad, with silica gel pad at the top and bottom, comfortable handle, anti slip and anti perspiration.
Groove setting, finger positioning, anti-skid.
The buttons are flexible and durable.

Color: Random

What's in the box:  
Finger force device*1