7 Abrasive disks for power-operated sanders; Power drill bit extensions; Router bits; Blades for electric rotary cutting machines; Power saw blades; Power drill bits; centering drilling bits being parts of machines; power tools, namely, thread mills, reamers, end mills, burrs, collets, drill presses, power drills, Electric rotary cutting machines, Electric sanders; Power drill bits; Router bits; knives and blades for printing machines; wood, metal and plastic drilling bits for industrial machines; blades and knives for wood, metal, plastic and paper for industrial machines