7 power-operated hand tools, namely, hand-held rotating chuck type drill driver for grinding, drilling, routing, polishing, engraving, sanding, sawing, marking, deburring, carving, sharpening, shaping, and cutting; hand-held reciprocating sanders, polishers, and engravers; Power-operated hand-held sanders, grinders, and buffers; and kits consisting primarily of combinations of the above-mentioned power-operated tools and also including sandpaper, polishing pads, drills, saw blades, brushes, carving cutters, routing cutters, collets, emery wheels, dressing stones, polishing wheels, cut-off wheels, buffing wheels, grinding wheels, wire wheels, engraving points, and mandrels, all for use therewith and all sold together as a unit