FlexVolt® Max Brushless Grinder with Kickback Brake Kit, 4-1/2" - 6" Wheel, 60 V13 amp motor equivalent power Brake 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 sensed The electronic brake engages with maximum force to quickly stop the wheel, reduce the movement of the grinder, and shut the grinder off E Clutch activates in less than a tenth of a second when a