ACF Hand Grip Strengthener Strength Trainer Adjustable Resistance 22-88 Lbs Best Hand Exerciser Gripper or Ball Set ACF Grip Balls are Ideal for Athletes and Sports Enthusiasts Who Want to Increase Their Hand, Wrist, Forearem and Finger Strength. Ideal for athletes, musicians, rock climbers, golfers, bodybuilders, and tennis players. Includes: three (3) therapy balls (soft, medium, and firm) makes the ACF Hand Exerciser a Popular Choice for Those With Arthritis, Rheumatoid Arthritis, Tendonitis, Carpal Tunnel, Tennis Elbow and Those Recovering From a Broken Wrist and Tendon Surgery Ergonomically designed to fit all hand sizes, perfect for men and women, seniors and teens. Help musicians including drummers, guitar, piano and violin players. Superior Design and Workmanship that is Built to Last. - LIFETIME GUARANTEE - 100% Money Back Guarantee When You Purchase Today! CYBER MONDAY SUPER SALE - Today Only! Buy any AMAZING CORE FITNESS product and SAVE 40% off. Enter code E8UP63RF at checkout. Makes a GREAT holiday gift.