crystal singing tuning fork set 8PCS 10mm with full tones C D E F G A B C

the one set is 10mm DIAMETER C D E F G A B C NOTE, 440HZ or 432HZ standard 4th octave.

you may choose 8 pcs as one set or 13 pcs as one set.

we also have diameter 20mm as one set

Note: If you have any questions , please let me know, I will do my best to satisfy you.

Quartz Crystal Singing tuning fork is for sound therapy healing and musical.