Specification:
Material: Silicone
Resistant level: 6.6LB, 8.8LB, 11LB, 13LB, 17LB, 21 LB

The Finger Strengthener can improve the finger strength of athletes (rock climbing, fitness, tennis, baseball, boxing) and their daily housework (driving, typing, writing, working, etc.).The Silicone Guitar Finger Exerciser provides you with 6 levels of resistance, including 6.6 LB, 8.8 LB, 11 LB, 13 LB, 17 LB, and 21 LB. You can choose the appropriate level according to your grip strength.