Power tools for cutting, namely, step drills; Power tools for deburring, namely, rotary burrs; Power operated abrasive tools and machine parts for flexible polishing and finishing in the nature of abrasive flap discs and wheels, abrasive discs, cloth wheels; Heavy duty cutting and grinding power tools and machine parts, namely, cut-off wheels and grinding wheels; Diamond-pointed power operated metal cutting and grinding tools, namely, diamond files, diamond saw blades, diamond and carbide core drills; Power tool parts, namely, aluminum oxide grinding stones, silicon carbide grinding stones, diamond polishing points, engraving cutters, high speed cutters, high speed steel router bits, tungsten carbide cutter, sanding band and drum, diamond drum, flap wheel, sanding disc wheels, stainless steel brushes, carbon steel brushes, brass brushes, bristle brushes, felt wheels, leather like brushes, leather brushes, cloth wheels, non-woven brushes, rubber polishing points, felt bobs, emery impregnated discs, felt wheels, cloth wheels, cut-off wheels, grinding wheels, mini saw blades, mandrels, diamond wheels, nut drivers, steel collet, brass collet, aluminum collet