(Black (x-heavy)) - Digi-Flex Hand Exerciser

CanDo Digi-Flex Hand and Finger Exerciser Black-X-Heavy - For Dexterity, Strength, and Flexibility for Fingers, Hands, and Forearms

CanDo Digi-Flex Hand and Finger Exerciser Blue-Heavy - For Dexterity, Strength, and Flexibility for Fingers, Hands, and Forearms

CanDo Digi-Flex Hand and Finger Exerciser Green - Medium Tension - For Dexterity, Strength, and Flexibility for Fingers, Hands, and Forearms