Made of space grade aluminum, the Mid Ohm Tuning Fork is widely considered the classic Ohm frequency (136.10 Hz). Two Mid Ohm Tuning Forks are considered the foundation tools in the Ohm Therapeutics system. The sound wave created by Ohm Tuning Forks works like kinetic energy, moving disharmony and tension from your body, while restoring a sense of well-being. Use Ohm Tuning Forks on tight muscles, joints, tendons, bones and tissue, and on reflex, trigger and acupuncture points. Vibrational Healing with Ohm Tuning Forks enhances many treatment modalities and is especially effective when applied to acupuncture points on the body's meridian system. Ohm Tuning Forks access and nourish the Qi, flowing through the physical and energetic body. The Mid Ohm Set is recommended for working distally and bilaterally on the body. Acupuncturists will find that Ohm Tuning Forks are an excellent choice for needle sensitive patients and children, and work well in conjunction with traditional needling techniques.