The conversion kit turns our hand augers into those that may be operated with a cordless drill. The addition of the bit for the drill chuck and the plate to avoid accidental dropping through the hole is just what you need to speed up the cutting process without buying a new convertible auger.
NILSUSA offers 14" and 28" flighted extensions for our 6" and 8" hand and power augers. These shafts are designed to get deeper and to remove the shaved ice from the hole, which is something that a straight auger extension cannot perform. Thus, the accumulation of ice where the flighting stops and difficulty in removing the auger from the hole. Stick with NILSUSA where only the best is good enough.