174 Hz Tuning ForkThe 174 Hz Unweighted Tuning Fork is the primary tool used in Biofield Tuning sound healing. It has the greatest versatility and function of all of our forks, because it emits the widest range of overtones, making it ideal for the Biofield Tuning process called "field combing". To use sandpaper as a metaphor, think of the 174 Hz tuning fork as a medium grit sandpaper, suitable for most sound tuning applications. It is most often used in conjunction