Concrete Finishing Trowel Machine,Cement Trowel Machinery,Concrete smoother,Power float,spoon polishing,CE,ISO,made in china. Concrete Finishing Trowel Machine1CE,ISO 2Honda GX160 3Aluminum ... 1. Smooth operating screw control knob make it easy to adjust the blade pitch between 0~15 ... operation;3.Unique decreasing vibration handle makes control easy and operation comfortable;4.Reduction gear-box, ...