... avoid many stoppage. 3. Revolutionary- green engine 4. Economy Hedge trimmerIt has advanced engine, chrome plated cylinders, intensified crankshaft, ... character- Possessing a speed blades gap adjusting device, permit to adjust steplessly the blades gap. 5. Economy - Low oil ... to keep speed too high.8.0.8 when finish work, close the throttle, clean enclosure, store. New Generation Hedge trimmer