OPTIMIZE PHYSICAL AND EMOTIONAL BALANCE: of health lies in free energy flow within your body. Our set expedites this process by providing a deep state of relaxation, strained muscles and joints, enhancing massage & acupressure effectiveness, and stabilizing your nervous system. PREMIUM QUALITY AND ACCURACY: Our weighted tuning forks set (1 x gold = 128Hz, 1 x black = 256Hz, 1 x black = 512Hz) are crafted out of quality aluminum alloy. The set ensures max.3Hz deviation and is resistant to and non-magnetic. Convenient for travel, our set includes a reflex hammer with an animal-friendly rubber ball. Quality Material Selection: our body tuning forks are made of quality aluminum material, impact resistant and non magnetic, sturdy and solid, strong against breakage or fracture, besides, the silicone tuning fork hammer is well made, soft and soothing, serving you for periods of time. Colour:Gold & Black Material:Aluminum alloy Package Contents: 1 x Tuning Fork Hammer(Color is random, no specification is accepted) 3 x tuning forks With base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.