[HIGH QUALITY]Adjusting Fork Set is made of high quality material. Compared with steel tuning forks on the market, it is more refined in workmanship, lighter in weight, and in -resistant aluminum alloy construction. [Accurate Frequency]Tuning Fork Set has more accurate frequency and frequency up to 25 seconds. [Multifunctional]Adjustment Fork Set is suitable for music. great for music, balancing energy centers, enhancing focus, purifying the mind and body, and also great for wellness music and playing with pets. Note: Rubber mallet random color, do not accept the specified This frequencies is: 128C+OM136.1+MI528+4096C Colour:Gold Material:Aluminum Alloy Package Contents: 2 x knocking hammer 4 x tuning forks 1 x cleaning cloth 1 x wrench 1X 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.