Muzboo Hand Gripper - Best Adjustable Hand Grip Strengthener - 22-70 Lbs (10-32 Kg) - Strength Training Exercise for Finger Wrist Forearm Safe, durable design that is easily adjustable to 4 different resistance levels (22-70 pounds). Designed to fit all hand sizes from large to small, great for Men or Women, Adults, Seniors, and Teens. Hand exercisers are a popular choice for rehabilitation. Perfect for anyone with conditions such as Arthritis, Rheumatoid Arthritis, Tendonitis, Carpal Tunnel, or Tennis Elbow. Great for athletes and musicians, particularly Golf and Tennis players, Guitarists, Piano Players. Risk Free - 100% Money Back Guarantee for 30 days!