【Scope of application】 FLYH’s tuning fork for medical rehabilitation and hearing detection helps to reduce stress. It can relieve joint pain and stiffness, reduce inflammation, help meditation and relaxation. Ideal for medical offices,neurology, healing, sound therapists, phys.and is also suitable for children's teaching. 【Features】 ➤Made of high-quality aluminum alloy material with clear tone, longer sound and perfect frequency. ➤Non-magnetic, corrosion-resistant aluminum alloy construction for light weight and durability. ➤Extended two-inch handle of turned smooth aluminum for facilitating bone conduction tests. ➤Lifetime warranty 【How to use?】 Ear to listen, or in the chest, neck and spinal cord, head, such as on the location of the foot reflection zone directly to vibrate, centering effectively, build a stable energy center, make energy rooted. 【Package included】 1*128 hz tuning fork ( Silver) 1*Black Rubber mallet, 1*Cleaning cloth 1*Repair tool 1*Velvet storage bag 【Specifications】 Name: 128 Hz Tuning Fork Material:Aluminum alloy Color: Silver Size:about 8.42 inches*1.60 inches Net Weight: About 0.375 pounds 【Notes】 1. To keep the sound of the tuning fork more accurate, please do not tap it with metal, use the attached rubber mallet to tap. 2.Please remember to clean the tuning fork with the attached microfiber cleaning cloth after each use, and store it in a dry storage bag. 3.Keep the wooden striker dry and away from sunshine. 4.If you have any questions OR advises about product, please contact us, our customer service team is always stand by to serve for you. 5.We will develop more products in the future, if you have any suggestions, please let us know by amazon message.