Features:Traditional beautiful solid steel Baoding BallsA handy instrument for health careMassager for pressing acupoints in your palmsBased on traditional Chinese acupressure therapyMagnetic field increases blood circulation and stimulates the nervous systemEffective for the relief of fatigue， inflammation， muscle pain and stiffnessSpecification:Material: SteelColor: Chrome ColorDiameter: Approx. 53mmWeight:560gPackage Includes:1 Pair of Baoding Balls