Makita: DGA513Z 18V LXT Brushless 125MM Variable Speed Angle with Slide Switch Grinder Body Only Version - No Batteries Or Charger Supplied Tool Features: Automatic torque drive technology (ADT): Adjusts speed and torque during operation for optimum performance. Active Feedback sensing Technology (AFT) : Turns the motor off if rotation of the wheel is suddenly forced to stop. Wire mesh intake covers are engineered to prevent debris from entering motor. Tool-less wheel cover. Soft start suppresses start-up reaction for smooth start-ups. Brushless motor. Variable speed control dial allows manual rpm adjustment. Anti-restart protection engineered to prevent motor start up when battery is inserted with paddle switch in the on position. Electric Brake stops the grinding or cut-off wheel in 2 seconds or less for maximum productivity. Extreme Protection Technology (XPT) is engineered for improved dust and water resistance for operation in harsh conditions Slide switch with lock-on for