This listing comes with the tuning fork only.
How To Hold and Tap Your Tuning Forks from John Beaulieu on Vimeo.
The Biosonics 432 hz Tuning Fork uses the A - 432 hz tuning system to tap into the Pythagorean spiral. There are thousands of different tuning systems and many arguments that can be made for and against any of those systems. Try different systems to see what works for you!
Start here with this 432 hz tuning fork and begin to experience the power of tuning forks from Biosonics. You can add this fork with your Biosonics Body Tuners and/or Solar Harmonic Spectrum Set to create the Perfect 6th interval.