13 amp motor equivalent powerBrake engages when the trigger is released with stopping speeds of 1.5 seconds with standard grinding wheel (4-1/2" x 1/4" bonded abrasive wheel, non-hubbed)Kickback brake engages when a pinch, stall, or bind-up event is sensedThe electronic brake engages with maximum force to quickly stop the wheel, reduce the movement of the grinder, and shut the grinder offE-Clutch® activates in less than a tenth of a second when a pinch/stall is detected, shutting down the motorIncludes: (1) 60V Max brushless 4-1/2" - 6" cordless grinder, (1) FlexVolt® 9.0Ah battery, (1) Charger, (1) Side handle, (1) 4-1/2" (115 mm) type 27 guard, (1) 6" (150 mm) type 27 guard, (1) Wrench, (2) Flanges, (1) Kit bag