Product size : 16mm-25mm Packaging Details : Export package 24K pure gold Tuning Fork is especially designed for different toning. It is ideal for realigning energy in the body for healing, but also for use with Feng Shui in your living space, musical performance, meditation, and for spiritual workshops. Purify the environment, space and goods (for example different crystal stone, jewelry) Tuning Forks are a new sound tool that work with balancing the nervous system and altered states of consciousness