9 sets: 174Hz, 285Hz, 396Hz, 417Hz, 528Hz, 639Hz, 741Hz, 852Hz, 963Hz sound healing tuning fork with hammer & storage bag. Aluminum alloy tuning fork with clear tone and accurate frequency. The tuning fork set comes with a cloth storage bag for easy organization and cleaning. Chakra tuning fork set, lightweight and corrosion-resistant construction. Note: To keep the tuning fork's tone more accurate, please do not hit it with metal. Use the included striker instead.
