【PREMIUM QUALITY】The Tuning Forks are made of high quality aluminum alloy material, corrosion resistant, sturdy and durable and stainless, non-magnetic. The tuning fork produce clear tones, longer vibration sound and accurate tuning. 【MULTI-APPLICATION】It can be used for medical healing, listening assessment, relieving stress, deep relaxation, improving learning concentration, teaching children, tuning of musical instruments and various neurological system tests. .
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