Abrasive disks for power-operated sanders; Abrasive wheels for power-operated grinders; Bits for power drills; Blades for power tools; Circular saws for woodworking; Core drilling bits; Pads for floor polishing machines; Power-operated angle grinders; Power-operated grinding wheels; Power drill bits; Power saw blades; 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 diamo...