【High Quality Material】The surface of our resonant tuning fork is made of high quality aluminium alloy material, which is highly polished and oxidised. Durable with excellent rust resistance and durability. Aluminium alloy is lighter and more convenient to use. 512 Hz: Our resonance tuning fork adopts a resonance frequency of 512 Hz, which can provide an accurate frequency response. This tuning fork is easier to swing, swings at a longer frequency and has a higher pitch. To measure a patients hearing and vibration sensitivity to nerve damage, examine the type of sound transmission numbness or sensory numbness. 【Unique Y-shape】Our resonance tuning fork adopts a unique Y-shape, and the side of each tuning fork can be distinguished by the corresponding Hz frequency. It also comes with a special wooden percussion instrument and a flannel storage bag for easy transportation. 【Double Rod Design】Our resonance tuning fork adopts a unique double rod design, each tuning fork is equipped with two thumb sticks that can be used flexibly and achieve a better relaxation treatment effect. It is not only practical for teachers and parents, to promote childrens musical talent and rhythm, to train childrens hands and childrens coordination skills, but also facilitates medical treatment 【Deep Relaxation】Tuning fork therapy can help bring a deeper relaxation state and clean mind and body. Used in yoga to relieve anxiety. Quickly enter a deep meditation state, with soothing and soothing effect, effectively relieve headaches and quickly regulate emotions. Spa, Home, Aromatherapy, Massage