1.       The guide handle offers a highly engineered, built-in shockmount system to reduce HAV (hand-arm vibration) and improve operator comfort.

2.        Utilizing crank shaft and coupling rod configuration instead of crank and cantalever structure, which improve a great operating performance and service life)

3.        Well balanced performance reduces operator effort,non keyseat design double service life of inner-cylinder body .

4.        Easy for dismounting and low cost for maintenance.