Bosch 1821 5-Inch Rat Tail Angle Grinder Unmatched Power to Weight Ratio - most powerful 5-Inch in its class 9.5Amps (12Amps with electronics) Vibration Reduction Side Handle - reduces vibration up to 60-percent providing uncompromising user comfort for extended use Padded Rear Handle - Provides comfort and control under demanding applications Quick-adjust Guard - allows user to quickly change the guard orientation for optimum working angle Rugged Durability - Sealed switch and epoxy coated motor field provide long life in the toughest environment