Sanberd Grip Strengthener Best Adjustable Hand Exerciser -Resistance Range 22 to 88 Lbs Intuitive finger trainer, ergonomic anti-slip design, pick up and use for finger exercise, no training required. Perfect for Men, Women, Seniors and Teens. 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. Finger strengthener use for rehab to strength training finger exerciser, suitable for arthritis (rheumatoid or osteo), tendonitis, carpal tunnel, tennis elbow and those recovering from a broken wrist and tendon surgery. Superior Design and Workmanship with Molded Foam Handles and a Strong Durable Spring that is Built to Last. LIFETIME GUARANTEE! No Questions to asked, 100% Money Back Guarantee When You Purchase Today!