[Earth Frequency 136.1Hz & 256Hz]Experience the grounding effects of 136.1Hz, the Earth's frequency, which instills a profound sense of security and belonging. Paired with 256Hz, this tuning fork set is perfect for sound therapy, yoga, meditation, and relaxation, promoting peace, sedation, and deep relaxation.[Gemstone Base for Energy Guidance]Our tuning forks come with a detachable gemstone base that channels frequency energy to acupoints, enhancing body healing through sound wave vibrations. The between the sound and gemstones offers an unparalleled experience in conducting healing vibrations.[ HighQuality Material]Crafted from premium aluminum alloy, our tuning forks are built to last. They are strong, , to and rust, and maintain their form even after prolonged use, ensuring and consistent performance.Note: There may be slight color difference or difference in the actual product, which not affect the useColour: SilverMaterial: Aluminum AlloyPackage Contents:2 x Tuning forks ( 136.1Hz 256Hz)2 x Hammer2 x Base1 x Cleaning cloth1 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 +/ 13cm.