ALUMINUM PRECISE TUNING FORK FOR INSTRUMENTS 128HZ, C

St. Clair Av West/Bathurst area, Midtown Toronto ALUMINUM PRECISE TUNING FORK FOR INSTRUMENTS 128HZ, C - cast aluminum - finely calibrated 128 herz C - comes with a protective case to store and keep the dust off - To tune instruments - For sound therapy The speed at which a tuning fork vibrates is called its frequency, which is the number of times it vibrates per second which is measured in herz (hz). The higher the frequency, the higher the pitch of the note it makes.