The Bosch Large Angle Grinder features a lock-on/off trigger switch for extended use applications. The grinder is lightweight to reduce user fatigue. The three position vibration control handle reduces vibraiton up to 60% for excellent comfort. The AC/DC capability allows the tool to plug into DC outlets such as welders and generators. Includes grinding wheel guard, vibration control handle, backing flange, lock nut and spanner wrench. ADDITIONAL SPECIFICATIONS: Rating: 120V, AC/DC; Amperage: 15.0; Max Motor HP: 4; No Load RPM: 8,500; Wheel Diameter: 7"; Wire Cup Wheels: UP to 3"; Spindle Thread: 4/8" - 11; Wire Wheel: Up to 5"; Length: 17-1/2"; Weight: 11.4 lbs.