Bits for power drills; Flap discs for power-operated grinders; Power-operated grinding wheels for optical lens grinding; 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 and forming of materials by others; Abrasive disks for power-operated grinders; Power-operated abrasive wheels; Air-operated power ...