Silicone Gripster Grip Strengthener Finger Stretcher Hand Grip Trainer Gym Fitness Training And BEST Exercise

 349
2??6 Resistant Levels to Choose from?Silicone Guitar Finger Exerciser provides you with 6 levels of resistant levels, including 6.6LB, 8.8LB, 11LB, 13LB, 17LB, and 21LB. You can choose the appropriate level according to your grip strength.