Strong stainless steel extension springs and solid steel hinges both build a perfect hand grip strengthener for your daily training for long time
The Ergonomic handle and its non-slip gripper fits well for all hand sizes, perfect for men and women, seniors and teens.It's a perfect training gripper if you suffer from rheumatoid arthritis, carpal tunnel, tendinitis, tennis elbow or just right on the way to recovery from a fractured or broken wrist, or tendon surgery. Designed for improving strength, power and speed in the wrists, fingers, forearms, hands, and helps to relieve stress. Ideal for athletes, musicians, pianists, rock climbers, golfers, bodybuilders, tennis players and more.