-High resistance powerful 2200W motor secures maximum efficiency in heavy duty jobs
-3 positions anti-shock ergonomic side handle minimizes vibration and reduces fatigue during long time working
-Direct airflow system which cools the motor for more reliable performance and higher overload capabilities
-Anti-dust ball bearings which ensure long lifetime of the motor and make it work more smoothly
-Easy and fast carbon brush changing mechanism 
-locking pin system for easy and fast disc changing and safety mechanism
-Anti-dust switch which reduces dust penetration, especially in masonry working conditions