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. Package includes two Mid Ohm Tuning Forks. Packaging card opens to 6 full panels of photos and detailed Instructions for use. Acupuncturists find Ohm Tuning Forks are an excellent choice for needle sensitive patients and children, and work well in conjunction with traditional needling techniques. Includes two Mid Ohm Tuning Forks at 136.1 hz each and a card which opens to 6 panels of photos, illustrations and detailed instructions for use.