1.Easy,safe starting by centrifugal clutch. 2.Low vibration,low noise. 3.Low exhaust emmission meeting EMC and EU standards. Straight tube, hard driven shaft,single shoulder harness,max length:2.8mlong pole trimmerFeathers:Easy to service air cleaner and replaceable muffle screenForced-air cooling, discharged away from operatorFull crank engine for extended engine life and reduced ...