-High resistance powerful 1500W motor for efficient cutting and grinding functions in heavy-duty jobs
-2 positions anti-shock ergonomic side handle that reduces operational fatigue and improves working performance
-Direct airflow system that cools key components in 
heavy- duty applications for protecting the motor in overloaded situations
-Variable speed setting from 3000 RPM to 8500 RPM
no-load of speed to match speed to different kinds of applications
-Regular wheel guard
-Easy and fast carbon brush changing mechanism
-New locking pin system that accelerates disc changing and safty mechanism
-Anti-dust switch which reduces dust penetration, especially in construction usages