Core drilling bits; Diamond-pointed metal-cutting tools; Drill bits for rock drilling; Electric hand-held drills; Extensions for power drill bits; Polycrystalline diamond compact (PDC) drill bits for drilling machines; Power drill bit extensions; Power drill bits; Power tools, namely, drills, routers and circular saws; 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 diam...