Perfect for individuals who suffer from arthritis, carpal tunnel, or weak hands Great way to work your fingers, forearms, hands, and joints; improves grip strength and endurance; relieves stiffness and joint pain Increase flexibility and dexterity while reducing stress and muscle tension Can be compressed repeatedly without losing shape; rigid exterior provides the user with a more efficient grip Commonly used in rehabilitation centers for hand fitness and therapy exercises ISO 9001 Certified Company