... large concrete surface and super FF flat floor tolerance,for polishing,smoothing,surface of cement concrete,widely used ... construction.Technical Diameters: NameGasoline Engine Walk-Behind Power Trowel for Concrete ModelPT100-BEngine TypeHonda (GX160),Robin (EY20),Lifan ( ... operating height,and can be folded, being convenient for transportation and storage2.Centrifugal clutch to ensure that the ...