High power 4.7 HP (maximum motor HP) 8,500 rpm motor provides overload protection provides higher operating speeds under load Dust Ejection System protects the motor from damaging particles entering air intake that would otherwise abrade the motor and increases brush life Anti-vibe trigger handle reduces user fatigue caused by vibration The DWE4557 Angle Grinder has a high power 4.7 HP motor with overload protection and 8,500 rpm for optimal material removal with 7" grinding wheels. Dust Ejection System prevents harmful direst from entering the motor.
