HIGH-QUALITY ALUMINUM- Our chakra tuning forks are made of non-magnetic and corrosion-resistant quality aluminum alloy material. COMPLETE SET- Our biofield tuning forks included 8 specifications, 126.22 Hz, 136.1 Hz, 141.27 Hz, 172.06 Hz, 194.18 Hz, 210.42 Hz, 221.23 Hz, and 272.2 Hz.
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