The product is a 2-pack of 6" vinyl face backing pads designed for air sanders and pneumatic sanders. With a maximum rotational speed of 13,000 RPM, these backing pads are made of aluminum oxide grit material in medium grit type. The pads are coated with polyurethane material and feature a 5/16" arbor size. These backing pads are suitable for polishing and are designed to provide high-performance results in various home and workshop applications.