7 Sanding discs, grinding wheels, abrasive pads, flapwheels, and grit belts used as attachments to machines and power tools for industrial and commercial cleaning, conditioning, polishing, grinding, and metal working; abrasive, grinding, and cutting discs for use with power-operated hand tools; abrasive wheels for power-operated grinders; abrasive disks for power-operated grinders; abrasive pads for power-operated grinders; abrasive disks for power-operated sanders; abrasive belts for power-operated sanders