Feature:1. Adjustable Sound Wheel: This tuning fork has an adjustable sound wheel, you can use a hex wrench to adjust the vibration frequency.2. Integrated Molded Design: This tuning fork has a integrated molded design with a sleek and complete exterior, without chipping, for excellent sound quality.3. Excellent Aluminum Alloy Material: This tuning fork is made of excellent aluminum alloy material, which is strong and wear resistant, not easy to be damaged, and has a long service life.4. Multifunctional: This tuning fork is versatile and can be used in conjunction with meditation, massage techniques and acupressure to help reduce stress, relieve joint pain and stiffness, reduce aches and pains, meditate and relax.5. Wide Application: This tuning fork has a wide range of applications and can be used at home, hospitals and massage parlors.Specification:Item Type: Tuning Fork SetMaterial: Aluminum AlloyColor: SilverHammer Wooden Material: Logs.Package List:1 x Tuning Fork1 x Hex Wrench1 x Hammer