Key Features & SpecificationsEngine Type: Air-cooled, 4-stroke single-cylinder engine (typically ranging from 35cc to 196cc).Fuel System: Runs on straight, pure petrol. It features separate reservoirs for fuel and engine oil, meaning you do not mix oil into the gas.Versatile Drill Bits: Usually comes with interchangeable spiral steel drill bits (common sizes include 150mm, 200mm, and 250mm) to accommodate different hole widths.Control: Equipped with ergonomic, vibration-dampening handles, a throttle trigger, and an emergency stop switch for safety and comfort