Perfect for relieving stress. The meinl sonic energy planetary tuned therapy tuning fork sidereal moon is manufactured in germany using hans coustos calculations the cosmic octave. Each tuning fork is tuned exactly to the frequency of its respective celestial body in order to achieve a therapeutic effect. The therapy tuning forks are larger and heavier than the standard tuning forks. This allows them to swing longer and to be struck less often during a treatment or in the professional therapy area. Find your path. The sidereal moon tuning fork helps to perceive and recognise upcoming tasks potentials and blockades in advance. They are crafted from nickel grade steel to provide exceptional projection and durability and an ergonomic shaped handle for additional comfort.