... for floating and finishing concrete surfaces. ModelHMD-100Motor power (kw)2.2Work Dia. (mm)960Running Speed (rpm)100-170Pitch degree0-15Package size (cm ... ) 100Features1, Simple operating procedure and long service life.2, High working effectiveness and speed.3, Low noise.4, Safe,credibility and steady ... ,anti-corrosion and beautiful.The machine has four blades. electric Power Trowel with CE,2.2KW