[High Quality] The adjustment fork set is made of high quality material. Compared with steel tuning forks on the market, the workmanship is more refined, the weight is lighter, and the corrosion-resistant aluminum alloy structure is durable. [Precise frequency] The frequency of the tuning fork group is more accurate, and the frequency can reach 25 seconds. [Multifunctional] The adjustment fork set is suitable for treatment. Great for repair, balancing energy centers, enhancing focus, purifying mind and body, also great for wellness healing and playing with pets. [What You Will Receive] Tuning Fork Set Includes: 194.18 Hz, 210.42 Hz, 126.22 Hz, 136.1 Hz, 141.27 Hz, 172.06 Hz, 221.23Hz, 272.2Hz Colour:As Shown Material:aluminum Package Contents: 2 x Drumsticks 8 x tuning forks 1 x Hex Adjuster 1 x storage bag 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.