... Optional driller bit: Performance : Model No.ED series gasoline earth drillEngine typeSingle Cylinder, Forced Air-cooled, Gasoline EngineDisplacement52cc/71ccHorse Power1 ... for choose, pls contact with us for more informations.Earth Drill , Earth auger / Ice drill, 52cc/71cc drill with 80/100 ... /150/200/250/300 drill bit Powerful Earth Drill , Earth auger / Ice drill, 52cc/71cc drill with 80/100 ...