[Tuning Fork Set]The therapeutic tuning fork is machined from aluminum alloy, precisely tuned to within 0.5% of the specified frequency, and has a clear, long-lasting tone that resonates deeply throughout your body, helping your physical, emotional and spiritual well-being [128C Tuning Fork] Otto Tuner (weighted) for hearing tests, nerve exams, pain relief and relaxation. For the resonance of bones, joint muscles, nerves, body parts, stimulate the nervous system and release nitric oxide, reduce inflammation, muscle spasm and blood circulation. Hold close to the ear for deep relaxation and calm [136.1OM Tuning Fork] Ohm tuner (weighted) for meditation and relaxation. Placed next to the ears or on joints, muscles and nerve groups to relax the body, release stress and prevent disease. For knees and feet. [528MI Tuning Fork] MI 528 is a better frequency biofield tuning for solfeggio and ear training, which has a very relaxing effect on the body and mind. 528Hz is used to repair DNA. Our genetic building blocks increase energy flow and strengthen your nervous, immune and circulatory systems, which help balance and regulate the chakras in the body. [4096C Tuning Fork] 4096C Otto Tuner/Crystal Tuner/Angel Tuner/Biofield Tuner/Biofield Tuner is very high-pitched, which helps to open your mind and increase acceptance. By vibrating your skull or holding it next to your ear, the Angelic Tuner opens the door to spiritual insight and experience as well as space and crystal clearing Color: Gold Material: aluminum alloy Package Contents: 2 x mallet (random colors and styles, don't accept the specified color.) 4 x tuning forks