Brand new, medical grade 174 HZ Healing Tuning Fork -- the first tone of the Healing Solfeggio Set of 9 tones, separated by 111 Hz, up to 963 Hz. This frequency spectrum is quite different than the Western musical scale (do-re-mi). These are healing tones are used for balancing, stress relief, relaxation, healing and mindfulness. Though not a "miracle cure" for what ails us, many wellness professionals and healing experts report that the 174 Hz is a natural way to reduce stress and pain. In Biofield tuning , practitioners may combine the 174 Hz with 528 Hz in their sessions. Enjoy a sound bath with the 174 Hz tuning fork, or use it as you meditate. 174 Hz is an unweighted aluminum tuning fork made in the USA, from the best materials and with precision craftsmanship. They are machined, tested and re-tested for accuracy.