Milwaukee 6148-31 4-1/2-Inch Small Angle Grinder 10.0 amp, 1250 MWO motor for power in difficult applications Debris baffles protect internal components by deflecting damaging debris out of the airflow Multi-port exhaust reduces motor burn-up by efficiently venting out hot air 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