5 Piece Finger Exerciser Set, Hand Stress Ball Finger Rehabilitation Adjustable Resistance Training Tool for Muscle Building

Perfect exercise tool: this set can enhance muscle strength in the user's hand, train the user's hand for extra strength and easy grip. This set can also make the user's arm muscles stronger and relieve pressure in the arm areas. Our hand exercise strengthener has a special effect for obese people and people who use mobile phones and mouse, making them suffer from wrist pain. Hand exercise booster can also be used for athletes and musicians