This Makita Cordless Angle Grinder provides optimum convenience in all cutting and grinding applications The Makita DGA463Z 115mm Cordless Angle Grinder gives convenience for grinding & cutting applications. Its Active Feedback sensing Technology (AFT) turns the motor off if the rotation of the wheel is suddenly forced to stop for optimum user safety. It has a powerful brushless motor for demanding applications. This model is sold without a battery or charger.  Features: Brushless motor  Variable speed control dial  Anti-Restart function  Electric brake  Slide switch  Electronic current limiter  Battery fuel gauge  Ergonomic soft grip  Automatic torque drive technology (ADT): adjusts speed and torque during operation for optimum performance  Active Feedback sensing Technology (AFT) turns the motor off if the rotation of the wheel is suddenly forced to stop  Wire mesh intake covers are engineered to prevent debris from entering the motor  Lock on function  Tool-less wheel cover  Soft start   Comes With:   Lock nut wrench  Side handle  Grinding wheel   Specification:  Wheel diameter: 115mm  Bore Diameter: 22.23 mm  Max Wheel Thickness: 7.2 mm  No Load Speed: 3,000 -8,500 rpm  Switch Type: Slide Switch  Vibration: Surface Grinding: 6.5m/s_  Vibration: Disc Sanding: 2.5m/s_  Vibration K Factor: 1.5m/s_  Sound Pressure: 79 dB(A)  Sound K Factor: 3 dB(A)