The Low OM Tuning Fork is used on our body especially lower part of the body. It creates beautiful overtones when activated.It is useful in grounding and opening deep blockages in our body.This tuning fork is based on 68.05 Hz. All our Tuning Forks are made from special grade Aluminium alloy and frequency is guaranteed to tuned to an accuracy of +/- 0.25% which is very good for healing.