The sound vibrations produced by these 'energy chimes' are rich in natural overtones, which contain the healing and harmonizing effects, creating clarity, concentration and deep relaxation. Energy chimes are used for healing and relaxation. The incredible resonance helps to focus attention during meditation. Also perfect for Feng Shui energy work and when balancing the chakras. These chakra sound bars are tuned to the frequencies of the Higher Octaves, These are derived from the 7 basic frequencies of the chakras. These sound bars are suspended in solid wire above a base of quality wood. The sound bars are made of a special aluminum alloy, which produces rich, clear and long sounding tones. These are used in healing, because of the special sounds in pure frequencies.