Brass is the metal that brings out natural benefits. Composed of Copper and Zinc. Brass has metaphysical healing properties that can help boost the immune system. It can amplify the charge of our body’s life energy force and helps to soothe our thoughts and emotions. Brass is capable of grounding/earthing without draining our energy. Its mineral composition encourages the balance between sun energy and lunar energy. Brass is what our handheld electrodes are made out of.