The Thorne Electric 45-0135-9 is a two-pack of 6-inch replacement polishing brushes designed for use with compatible home buffer machines. This product is intended for businesses or IT departments that manage facility maintenance or provide cleaning services, requiring replacement parts for their floor care equipment. These brushes facilitate cleaning and polishing tasks on various floor surfaces, including bare floors and carpeting. They are compatible with all Koblenz shampooers/polishers, as well as Kenmore and Regina shampooers/polishers that utilize 6-inch attachments.