DEWALT 7-in Trigger Switch Corded Angle GrinderHigh power 4 HP (maximum motor HP) 8,500 rpm motor with overload protection provides higher operating speeds under load Epoxy coated field and armature provide long service life against abrasion from airborne debris Low profile gearcase allows for work in tight areas Automatic turn off brushes shut down the tool when brushes need to be changed to avoid tool damage 2 position side handle provides improved ergonomics for specific applications 8,500 rpm