XPRT Fitness Adjustable Hand Grip Strengthener 11-132 LB, Non-slip Hand Training Exerciser To Develop Strength in Fingers, Hand, Wrist & Forearm, Train For Weightlifting, Gymnastics, Rock Climbing, Martial Arts, Guitar & Pano, Ideal For Men, Women, Seniors & Kids Great Workout For Increasing Finger And Hand Strength As Well As Forearms And Wrists. Easy adjustment from 11-132 LBS Resistance To Meet All Individual Workout Levels. "