A hz Tuning fork for medical hz is the frequency of love that is for ideal for DNA repair relieving stress pain, improving attention hz tuning fork set can be easily placed in any instrument for case or pocket due to its small size High accuracy, this ergonomic handle is easy to hold aluminum alloy with clear tone, longer sound and frequency Non-magnetic, corrosion-resistant aluminum alloy construction for lightweight and durability, Manufacturer: Vdaxvme