Features: Muscle & Grip Strengthening: Rotating the weighted metal spheres provides resistance training that strengthens muscles in the fingers, hands, wrists, and forearms. This is particularly beneficial for seniors looking to maintain independence in daily tasks like opening jars or writing. Acupoints Massage Therapy: Based on traditional Chinese medicine, the balls are designed to stimulate specific pressure points in the palm. This manual massage promotes better blood and energy-flow throughout the body. Joint Flexibility & Rehabilitation: Regular practice improves finger dexterity and range of motion, helping to manage symptoms of carpal tunnels, and joint stiffness. They are also frequently used in physical therapy for post-operative recovery. Soothing Auditory Features: iron handballs are hollow and contain internal chimes. As they are rotated, they produce a gentle, melodic sound intended to provide a meditative effect, reduce stress, and improve sleep quality. Polished Design: Crafted from high-density materials, these balls are built for daily use without chipping or rusting. Their finely polished, smooth-surfaces ensure a comfortable, burr-free grip during extended exercise sessions. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Specifications: 1 Pair Material: Iron Package List: 2pcs Elderly Iron Balls