DEWALT 20V Cordless Brushless 4-1/2 In. Small Angle Grinder Kit, Battery & Charger

Angle Grinder is designed with 2 stage trigger and brake that stop the wheel in 2 seconds or less. In the event of a power outage, the trigger switch will be turned off and then on again, restarting the tool due to the E-switch protection. When a pinch, stall or bind-up happens, kickback brake engages shutting the grinder off.