Hand Grip Strength Trainer - 3 Resistance Levels Strengthener For Beginner, Intermediate & Advance Users - Gripper & Finger Strengthener

Portable grip strengthened can put into car or pocket, so you can exercise when traveling, working, commuting. According to ergonomic grip design,the use of exercise can make on the one hand or both hands grip Rehabilitate and relieve pain using the hand strengthener, for conditions such as: Arthritis, carpal tunnel syndrome, tendonitis, rheumatoid arthritis