Cemented carbide cutting tools; Cemented carbide tips; Chucks for power drills; Electric hand-held drills; Extensions for power drill bits; Power-driven saws; Power-operated ratchet wrenches; Power-operated screwdrivers; Power drill bits; Power tools, namely, countersinks; Power tools, namely, end mills; Power tools, namely, hammer drills; Power tools, namely, reamers; Taps being machine tools; Tool bits for machines