Hand Exerciser & Therapy Gripper - squeezing the Adjustable Hand Grip Exerciser will work all of the muscles in your fingers,hands and forearm. That leads to better workouts, and you can avoid several injuries. Adjustable Resistance - suitable for all abilities as the resistance can easily be adjusted between 5-60kg - increase the resistance as your strength develops Suitable for Everyone - ergonomically designed to fit small to large hand sizes. Perfect for men, women, seniors and teens. Ideal for rock climbers, bodybuilders, golfers, surfers, tennis players, drummers, guitarists, pianists, massage therapists, baseball players and musicians, improving the flexibility of fingers and wrists. It is also beneficial for people who have arthritis, rheumatoid arthritis, and carpal tunnel syndrome. Lightweight and Portable - the size of hand grips is 15 x 11 x 2.2cm and weight 160g. Hand grip is easy to pop into your pocket or backpack, allow you exercise your hand anywhere and anytime, whatever at home, gym, office, or when you take a walk, watch TV, outdoor and travel.