[HIGH QUALITY] The Adjusting Fork Set is crafted from premium materials. In comparison to steel tuning forks available in the market, it boasts superior craftsmanship, is lighter in weight, and features a durable, corrosion-resistant aluminum alloy build. [Accurate Frequency] This Tuning Fork Set offers precise frequency measurements, lasting up to 25 seconds. [Multifunctional] The Adjustment Fork Set is ideal for therapeutic purposes. The 528 Hz frequency is associated with love, making it excellent for DNA repair, energy center balancing, enhancing focus, purifying the mind and body, and is also beneficial for wellness treatments and interaction with pets. [WHAT YOU WILL RECEIVE] The Tuning Fork Set Includes: 174Hz, 285Hz, 396Hz, 417Hz, 528Hz, 639Hz, 741Hz, 852Hz, 963Hz. Color: Gold Material: Aluminum alloy Package Contents: 2 x drumsticks (Color style is random; specific color cannot be requested) 9 x tuning forks 1 x cleaning cloth Only the above package content is included; other products are not included. Note: Lighting and varying displays may result in the item's color in the picture appearing slightly different from the actual product. Measurement error allowed is +/- 1-3cm.