... roughness, erase-precision equipment The latest concrete surface roughness, erase-precision equipment Features 1)The machines ... Efficiency,compared with the artificial increase many times over 4)Concrete pavement,flooring,shipyards,airports and other floor Model:BPM80BPM100BPM120EnginePetrol,HondaGX160Engine ... ×3515x35Combination Blade : cm(in)20×2820×3520x35Guard Diameter : cm80100120 power trowel