Ideal for removing light scratches in a variety of metals. Made from 100 percent cotton that?s been stiffened through treatment and reinforced by a metal fastener. Pleats hold the compound together. The airway design makes it possible to reach awkward places. This product is used for the rough cut on plastics, soft metals, iron, steel, and stainless steel. This product is also used for the final cut and initial polish on copper, brass, and iron. Safety Flange is mandatory for use with an airway buffing wheel.