[High Quality] The adjusting fork set is made of high-quality materials. Compared with steel tuning forks on the market, it features refined craftsmanship, a lightweight design, and durable construction from corrosion-resistant aluminum alloy. [Accurate Frequency] The tuning fork set offers accurate frequency with resonance lasting up to 25 seconds. [Multifunctional] The adjustment fork set is suitable for various uses, including repair, balancing energy centers, enhancing focus, purifying the mind and body, wellness treatments, and interaction with pets. Frequency: F 963Hz Material: Aluminum alloy Color: Gold Package Contents: 1 x rubber mallet, 1 x random triangle block (randomly colored; specific color cannot be chosen), 1 x F963Hz tuning fork, 1 x storage bag, 1 x cleaning cloth, 1 x base Note: Light reflection and different displays may cause slight variations in the color of the item in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.