Faithfull Combination Augers can be used in either a hand or power drill at low speeds. Machined from high quality carbon steel, they feature a pitched screw point for accurate starting with a wide flat spiral for improved stability, straight tracking and fast waste removal. Augers may be used in timber, plywood, MDF and blockwood and can be resharpened using a hand file. Short series or stubby auger bits are for use in confined spaces, such as between joists. Overall Length: 120mm.Diameter: 10 mm.