Circular saws for woodworking; Electric screwdrivers; Polishing system for use in single-head machines comprising grinding and polishing discs for stone profiling and edges; Power operated metalworking machine tools, namely, boring tools; Power operated metalworking machine tools, namely, drilling tools; Power tools, namely, burrs; Power tools, namely, countersinks; Power tools, namely, reamers; Power tools, namely, thread mills; Power tools, namely, drills, routers, circular saws