Terahertz Gua Sha Plate, 6N Purity, New Design with Improved Grip, Includes Instructions and Box

Approximately 80 x 35 x 9mm (sizes are approximate; each one is slightly different due to hand-polishing). Terahertz waves vibrate approximately one trillion times per second. Made with luxuriously high-purity 6N (silicon) terahertz ore, nearly 100% pure. A power stone that has been gaining attention in recent years. Every product comes with a case bearing the GOLD STONE logo and instructions.