2.The drills can be from 80mm to 400mm.
3.Pushing type earth auger can be operated with one instead of two with 400mm drill bits.
4.Very small vibration.There are good anti-vibraion between gear assy and engine.
5.Labor saving.Gear case assy and drill bits are all professional.The reduction ration is 40:1,thus the torque is big than normal, the blades of drills are more circle than normal ,thus can save labor power and make you work very easily.
