Music Tuning Accessories come in a set of four tuning forks with frequencies of 528 Hz, 128 Hz, 256 Hz and 512 Hz, providing musicians and sound therapists with precise tuning tools for exceptional sound quality in every performance. Music tuning accessories are made of aluminum alloy, which is sturdy yet . The tuning forks produce clear and resonant sounds, ensuring accurate pitch and tone. tone. Music Tuning Accessories are not only perfect for tuning instruments, but also for sound therapy, meditation, yoga, and energy healing. They can help restore harmony, balance, and well-being in the body, mind, and soul. from being used for music and therapy, our tuning fork set can also be utilized for other purposes such as tuning instruments, resetting electronics, and checking the integrity of metal objects. It's a versatile tool designed to cater to needs while ensuring high-quality performance. Colour:gold Material:Aluminum alloy Package Contents: 4 x Tuning forks 1 x cleaning cloth 4 x Pouches 2 x Tuning fork hammers 4 x storage bag 1 x Small wrench 1 x triangular block 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.