Milwaukee 6148-30 4-1/2-Inch Small Angle Grinder 10.0 Amp, 1250 MWO Motor  high overload protection and power for difficult applications Debris Baffles  protect internal components by deflecting damaging debris out of the airflow at the intake vents Multi-Port Exhaust  reduces motor burn-up by efficiently venting hot air out of the grinder 25% Longer Lasting Epoxy Protection  extends motor life by protecting the copper wire from abrasion Soft Grip 3-Position Handle  provides optimal control during various applications