Features: 100% high quality Ergonomic Design for All Hands: Suitable for all age groups and fits well for all hand sizes. Portable and easy to fit in bag or pocket. You can perform repetitions while driving, at work, or anywhere. Fitness & Sport Enthusiasts: Strengthen your wrists, improve finger dexterity, and increase hand strength while reducing fatigue. Helps balance grip muscles and supporting muscles. Rehabilitation & Prevention: Great for rheumatoid arthritis, arthritis, carpal tunnel, tendonitis, tennis elbow, and for those recovering from a fractured or broken wrist. Ideal for people who type, text, or perform activities that use gripping muscles. Strengthens Grip and Improves Dexterity: Hand exercise rings build strength in the fingers, hands, wrist, and forearms. Varied activities, including crushing, pinching, and extensions, work to improve the dexterity of both fingers and hands. Perfect for athletes, musicians, and physical therapy patients. Package Includes: 1 x Finger Grip Ball Note: Please allow 1-2 cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences between monitors, the picture may not reflect the actual color of the item. Thank you.