Bore through wooden utility poles in less time with this impact auger drill. This carbon steel auger has a wide flute for faster chip ejection and a single spur, designed to smoothly drill clean holes and quickly retrieve bits with less effort. This bit measures 30 inches long with a 15/16-inch diameter, and a 7/16-inch hex shank. The auger bits are coated with a reinforced anti-friction PTFE coating for overall smoother drilling and easier removal of the bit from the pole