1,CE,GS 2,Powerful, free to change driller 3,100/150/200/300mm drill available Displacement:72CC Engine: 2-stroke,air-cooled, 1-cylinder Engine model: 1E51F Rated Output Power: 3.0KW Speed: 10000Rpm Fuel/Oil mixture ratio: 25:1 Fuel tank capacity: 1.2 Litre Drill bit diameter: 100mm /150mm/200mm/250mm/300mm Drill bit length: 80cm Packing picture: 72CC Gasoline Earth Auger