✅【High Quality】Health tuning fork set of 8 is made of high-quality aluminum alloy material. Compared with the steel tuning forks on the market, it is more delicate in workmanship, light in weight, and durable in corrosion-resistant aluminum alloy structure.

✅【Accurate Frequency】Health tuning fork set with more accurate frequency and frequency up to 25 seconds.

✅【Multifunctional】Acoustics experiment for secondary school physics class: verify the occurrence of sound, the relationship between tone and audio, can also be used as the instrumental sound standard, can also be used as a learning toy for children, has a good enlightenment work; can also be used as a gift gift, very Exquisite!

✅【What You Get】Health tuning fork set of 8 included 256 Hz，288 Hz，320 Hz，341.3 Hz，384 Hz，426.6 Hz，480 Hz，512 Hz, rubber base, silicone hammer, cleaning cloth and a exquisite aluminum gift box.

✅【100% Satisfaction Service】Offers carefree 12 months satisfaction customer service. If the tuner ever failure,simply contact us for a replacement or refund, our dedicated customer service team will always bring a smile back!