Core drilling bits; Power-operated grinding wheels; Machine parts, namely, blades; Blades for power tools; Grinding and polishing machines; Power-operated ratchet wrenches; Blades for power saws; Diamond-pointed metal-cutting tools; Cutting machines; 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 diamond-uncoated tools, and hard metal tools, all for use in the cutting a...