Blades for electric rotary cutting machines; Cemented carbide cutting tools; Blades for power saws; Polishing system for use in single-head machines comprising grinding and polishing discs for stone profiling and edges; Air-operated power tools, namely, impact wrenches, ratchet wrenches, drills, grinders, orbital sanders; Precision machine tools, namely, hard metal tools, high speed steel (HSS) tools, carbide tools, ceramic tools, poly crystalline diamond (PCD) tools, and diamond-coated and d...