Feature
Material: spring steel
Size: 16*10 cm
Package include:
1x Hand Grip Strengthener

Using tips :

The variable resistance setting is easy to change and allows a wide variety and range of exercises for a wide range of age groups and fitness levels since it’s an easy exercise tool.
You just have to screw/unscrew the knob, which moves the position of the spring and increases or decreases the spring tension from 10lbs all the way to 40lbs.
Easiest way to develop grip strength is to always have hand grippers in your pocket and use them anytime you are idle.
Adjustable resistance to work on helping you get the grip strength back in your hands and the resistance goes low enough that can even use it to strengthen fingers. Train your fingers, hand grip and forearm effectively.
Prefect for rock climbers, bodybuilders, golfers, surfers, tennis players, drummers, guitarists, pianists, massages therapists, baseball players and violin players.
Also beneficial for people who have arthritis, tennis elbow, rheumatoid arthritis, and carpal tunnel syndrome.
Ergonomically designed, suitable for men and women, seniors and teens.
Built with the premium quality materials and enhanced strong spring to endure long-term and frequent use.
Small enough to into a pocket, purse, backpack or gym bag at anytime and anywhere.