High-power 8500 rpm motor with overload protection provides higher operating speeds under load. Epoxy-coated field armature provides long service life against abrasion from airborne debris. Low-profile gear case allows for work in tight areas. Automatic turn-off brushes shut down the tool when brushes need to be changed to avoid tool damage. Two-position side handle provides improved ergonomics for specific applications. 7 in grinding wheel. Brush window allows for quick brush replacement.