Aluminum alloy:Our chakra tuning fork set are made of quality aluminum alloy material, longer sound and perfect frequency. The non-magnetic and corrosion-resistant aluminum alloy structure renders the tuning fork not only but also more durable. Complete Set: This tuning forks for healing chakra set includes 9 tuning forks with frequencies of 126.22 Hz, 136.1 Hz, 141.27 Hz, 172.06 Hz, 194.18 Hz, 210.42 Hz, 221.23 Hz, and 272.2 Hz. It also comes with an aluminum gift box, a cleaning cloth, a rubber mallet, and a wrench. Effortless storage: Our chakra tuning forks for healing come with an exquisite aluminum case. After each use, simply clean the forks with the provided cloth and securely store them in this dry box to prevent any abrasion from other sharp objects. Versatile Uses: This 8-piece color-coded tuning forks for healing chakra set is suitable for various practices such as meditation, yoga, sound therapy, Reiki, stress and pain relief, and sound healing. Discoer the power of vibrations and tune your chakra energy. Colour:P o Color Material:Aluminum alloy Package Contents: 1 x mallet(color random and style random, cannot choose the specified color and style) 8 x tuning forks(The English pattern on the tuning fork is delivered with the factory, don't accept the specified ) 1 x cleaning cloth 1 x Rubber base 1 x Small wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.