Technical specifications: 1) Power type: single-cylinder, two-stroke, air-cooled gasoline engine 2) Transmission: automatic centrifugal clutch 3) Displacement: 42cc 4) Power: 1.25kW 5) Drilling rotational speed: 170rpm 6) Two-cycle oil/gasoline mixing ratio: 1:25 7) Blade length: 60/80/100cm 8) Net weight: 7.8kg (without drill) Packing: Neutral box