Bits for power drills; hole saws for power drills; Blades for power saws; [ Circular saws; ] Drill chucks for power drills; Machine parts, namely, blades, and bits; Power drill bit extensions; Power drill bits; [ Power saw blades; Power tools, namely, tile saws, glass drill bits; Power-operated saws; Tile removal and cutting machines; ] diamond coated tool bits for machines; all of the foregoing excluding earth drilling equipment