Hand-operated tools and implements for treatment of materials, and for construction, repair and maintenance, namely, sanders, polishers, and finishers; sharpening stones; abrading instruments in the nature of hand operated abrading tools; hand tools, namely, manually-operated sharpening wheels; sharpening instruments in the nature of sharpening wheels for knives and blades; grinding and polishing discs in the nature of manually-operated grinding wheels and discs having grinding and polishing ...