High power 4.7 HP (maximum motor HP) 8,500 rpm motor of the angle grinder with overload protection provides higher operating speeds under load Dust Ejection System of the metal grinder protects the motor from damaging particles entering air intake that would otherwise abrade the motor and increases brush life Anti-vibe trigger handle of DEWALT angle grinder reduces user fatigue caused by vibration Lightweight design (11.6 lbs) lessens user fatigue Automatic turn-off brushes shut down the tool when brushes need to be changed to avoid tool damage Low-profile gearcase allows for work in tight areas 8,500 rpm provides optimal material removal with 7-inch grinding wheels Brush door allows for quick brush replacement Quick-Change guard allows user to quickly adjust guard to redirect sparks Soft-grip trigger handle provides greater comfort and control