Grip Shark Grip Strengthener + FREE BONUS Comfort Grip &ndash; Premium Adjustable Hand Wrist Grip Finger Forearm Exerciser - Best Resistance and Range 22 to 70 Lbs (10-32 Kg) Our Grip Strengtheners were Ergonomically Designed for hands of all sizes. The Superior Design of this Grip Exerciser is Perfect for Children, Teens, Adults and Seniors EASILY ADJUSTABLE DIAL - The Grip Shark Hand Grip Exerciser is Easily Adjustable Dial to 4 Different Levels Resistance and Range INCREASE Hand, Wrist, Finger and Forearm Strength, FAST. Perfect for Rock Climbers, Bodybuilders, Golf, Tennis, Shooting, and more THE PERFECT SOLUTION FOR MUSICIANS - Amp up your Playing Stamina, Hand Strength, and Finger Speed with this Hand Grip. It's also a Killer Warmup Tool Before Gigs, Making it Easy to Work Individual Fingers and Finger Combinations. Play longer and play with comfort PERFECT for People With Arthritis, Rheumatoid Arthritis, Tendonitis, Carpal Tunnel, Tennis Elbow and Those Recovering From a Broken Wrist and Tendon Surgery.