Check the listing for details. 3 Pack Finger Strengthener - Exerciser for Forearm and Hand Grip Workout Equi.... Color: 3 Pack - Blue Black Red, Condition: New. Listed at 24.29 USD. Perfect for beginners and those recovering from surgery the light Hand Strengtheners offers 3 lbs. of tension. The medium level has 7 lbs. of tension and the heavy hand strengthener has 11 lbs. of tension. Designed to increase the strength of the fingers, wrists and forearms Exercise each finger trainer individually, or the entire hand arm strengthener. Isolates and exercises each finger individually for strength, dexterity, and endurance. Develops outstanding hand trainer , wrist and forearm strength. Whether you are warming up pre-show or conditioning when you’re away from your instrument, the is the ultimate portable workout. At the office, at home or on the train, you can keep up your finger, hand and forearm hand Grip strengthener and coordination. Perfect for beginners and those recovering from surgery our carpal tunnel the light resistance trainer offers 3 lbs. of tension. The medium level has 7 lbs. of tension and the heavy hand strengthener has 11 lbs. of tension. Ergonomically designed with a secure material, the hand strengthener provides a comfortable grip.