Hitachi G18DBALP4 18-Volt Lithium-Ion Brushless 4-1/2-Inch Angle Grinder (Tool Only, No Battery) Brushless motor increases battery life, tool lifetime and overall efficiency Auto mode for optimum performance while increasing battery life and decreasing noise and vibration while not in use Ergonomic light weight and compact design at only 5.3 lbs (w/ 5.0Ah battery) and 12.8 inches long Dust and water resistant for added convenience and extended tool life Kick back protection to ensure user safety while being used in tough applications Paddle switch is non-locking and turns off when released for added user safety Soft start for smooth start-ups and longer gear life Battery indicator to monitor the status of the battery and reduce down time Compatible with all Hitachi 18-Volt Lithium-Ion slide batteries (sold separately) Recommended battery - 335791, Recommended charger - UC18YKSL Includes Side Handle, Grinding Wheel, Spanner Wrench, Tool-less Wheel Guard