Nils USA Replacement Auger Cutting Heads are designed to work with Nils USA hand augers and power augers. Nils USA Auger Replacement Cutting Heads feature a one piece design instead of individual blades, offering a stronger over all cutting surface. The cutting heads are constructed of high chromium steel, which is more durable than other brands of auger blades and will stay sharper much longer. These cutting heads are powder coated in red, to help prevent corrosion. The eight in. Power Auger Cutting Head features an integrated power point. Qty. per Pack: 1 Please note: The cutting heads may be the standard red color or black. There is no difference in fit or function, just color. We will ship what is available.