Hand Grip Finger Trainer Strengthener Adjustable Power Training Home Fitness Equipment Rock Climbing Finger Exerciser Trainers

Black and Black-1 are the same products
Bullet Points:
1【Ideal For Sports Lovers】The Finger Strengthener can improve the finger strength of athletes (rock climbing, fitness, tennis, baseball, boxing) and musicians (guitar, bass, pianist, and violinist) and daily housework ( driving, typing, writing, working, etc.).
2【Portable And Lightweight Design】Finger Trainer is small and light enough to fit in your gym bag or pocket. You can enjoy a workout at work or at leisure. Exercise your hands anytime, anywhere with the Finger Extensor Exerciser.