The Trilogy Set contains 3 forks - Pain, Joy, and Energy. You may use these forks in any order. The Pain Fork is 666 Hz, the Joy Fork is 333 Hz, and the Energy Fork is 999 Hz. They are all octaves of one another and allow for transmuting experiences from one state to another. These are especially helpful when dealing with stuck issues. You can either begin, or end, your tuning fork session with this Trilogy Set.
All of our high quality tuning forks are Made in the USA. Each fork is triple tuned for accuracy of +/- .25% Hz. A protective velvet pouch is included.