Luminanti Human Organs Tuning Fork Set (Unweighted)This listing comes with a set of 15 tuning forks and 2 velvet carrying pouches. Note: These tuning forks are made of aluminum, which is a soft metal, great for harmonics and sound healing. Because of this softness, you might find the occasional small mark or scratch. The fork isnt damaged, nor is the tuning off. It can happen during packing by the manufacturer, or during shipping and handling. We provide safe storage and great care when handling them.