helicopter The machine is used for grinding concrete surface, especially suitable for the compaction and finishing the surface of concrete road, terrace, boatyard, airport and floor etc..... Product Specification:1. Unique safety handle makes the safe control of operator.2. Foldable handle is easy for transportation and storage3. Centrifugal clutch ensures easy starting without load.4. Low center of gravity provides safe and stable operation.5. Protective circle of dual-use design can meet a small construction site.6. Adjustable handle and throttle can be locked makes operator feeling comfort and reduces fatigue.7. The angle between blade and floor can be adjusted in a wide scope, the slope from 0 degree to 15 degree.8. Lifting hook is available as standard.Technical Parameters Model HGM100HHGM100RHGM100LHGM100KEngine Petrol,Honda GX160Petrol,Robin EY20Petrol, Lifan 168FDiesel,Kipor KM170FPower(hp) 5.55.05.53.4Weight (kg) 979897109Rotary Speed (rpm) 70-140Qty Blades 4Rotary Diameter (cm) 90(36in)Diameter of Pan(cm) 100