This set of 7 tuning forks is a must-have for any medical professional or healing therapist. The forks are designed to help examine hearing and determine if there are any problems. They are also used for DNA repair healing and sound healing, which can be incredibly beneficial for those in the field of neurology, musical instruments, ENT instruments, orthopedics, diagnostic, medical laboratory, bone conduction test, biological laboratory, and examine hearing. The tuning forks are made by Green medical, a trusted brand in the industry.These forks are perfect for those who want to provide the best possible care for their patients and clients.