Bosch AG40-11P 4-1/2-Inch High-Performance Angle Grinder with Paddle Switch, 11-Amp Multi-Grip Paddle Switch: Allows multiple grip positions for optimal comfort and control High-Performance 11 Amp 11,500 RPM Motor: Power and performance demanded by a professional Bosch Electronics System Plus: Advanced electronic package to protect motor and shut down tool in a sudden bind situation Multi-grip paddle switch and textured housing for increased grip and better ergonomics Directed Air Flow: Diverts dust away from switch and vital components to extend tool life