UGE Hand Grip Strengthener Exerciser for Increasing Hand Wrist Forearm and Finger Strength Adjustable Resistance Range 22-44lbs Ideal for Athletes Musicians and Hand Rehabilitation Ergonomically Designed to Fit Small to Large Hand Sizes. Perfect for Men, Women, Seniors and Teens Easy to carry and storage, anywhere to keep fit. Ideal for Athletes and Sports Enthusiasts Who Want to Increase Their Hand, Wrist, Forearem and Finger Strength for Rock Climbing, Shooting, Bodybuilding, Golf, Tennis etc Great Hand Strengthener for Musicians Including Drummers as well as Guitar, Piano and Violin Players; Adjustable resistance range: 11-44 lb (5~20kg) Superior Design and Workmanship with Molded Foam Handles and a Strong Durable Spring that is Built to Last