1) Best quality of damping device eliminates the quiver of the guard rings thoroughly, to avoid damaging the blades;
2) Mandatory safe switch has been installed, the safe switch can shuts the engine down in the event of the operator loose control of the unit;
3) Metal plated guard rings are rust-proof and easy cleaning;
4) Height adjustable handle assures operator comfort and easy to control;
5) Each trowel is balanced with regard to engine location and heavy-weight design for excellent performance and reduced operator fatigue, operated steadily.