Aluminum Alloy High Frequency Tuning Fork Medical Neurological Sound Healing Tuning Fork Features: 1. Adopts high grade aluminum alloy material, safe and durable e. 2. Helps release tension and stress in your heart and is effective for your immune system and health. 3. Make your mental state quickly enter deep relaxation, effectively relieve stress. 4. Improve your sound wave ability, with massage effect to reduce nightmare and enhance sleep. 5. Keep your nervous system in balance, balancing the thought patterns of your left and right brain. 6. Can help you achieve peace of mind and deep relaxation, it also can be used as health care massage tool. 7. Fine workmanship, suitable for clinic, health club and other places. Specification: Item Type: Tuning Fork Material: Aluminium Alloy Color: Blue Item Size: 10.5 * 3cm / 4.1 * 1.2inch Package List: 1 * Tuning Fork