SOUNDENERGY OM 136.1Hz Aluminum Alloy Tuning Forks---Perfect Healing Musical Instrument HEART/Anahata - 136.10 Hz (Cosmic OM) - The HEART tuning fork is tuned to the OM vibration and resonates to the Earth Year or the time it takes the Earth to rotate around the sun, which is one year or 365 days. It helps in relaxation. Effective for immune system and circulatio. High Quality Tuning Forks directly from Manufacturer, Mallets and Bags included. All Tax included and Fast Shipping to Most Place Worldwide. If a single order more than $1000, we can offer you the wholesale price. Any damage or missing to the bowl in transit is guaranteed by us! You will truly fall in love with this incredible healing tool. Gorgeous in your home, glowing with light, this beautiful instrument is an asset to any environment!