Description Complete tough grinding applications and get fast material removal with the high-performance 7 in. 4HP Angle Grinder. The 4 HP motor delivers 8,500 rpm and provides overload protection when operating at high speeds.Automatic turn-off brushes shut down the tool when brushes need to be changed to avoid tool damage2-position side handle provides improved ergonomics for specific applications8,500 rpm provides optimal material removal with 7" grinding wheelsBrush window allows for quick brush replacement