Significant Services DeWalt DCG413 20 Volt 20v Max XR 4 1/2" Brushless Cordless Angle Grinder Brake Action: Standard Battery Included: No (Body Only) Battery Technology: Lithium-Ion (Li-Ion) Brand: DEWALT Disc Diameter: 4-1/2" Power: N/A Power Source: Battery Type: Angle Grinder Voltage: 20 V Corded/Cordless: Cordless Modified Item: No Wheel Diameter: 4-1/2" Non-Domestic Product: No Brushless: Brushless DESCRIPTION This brushless small cordless angle grinder requires no time changing brushes, and offers a longer motor life. DEWALT cordless grinder offers a high level of protection. Its break stops the wheel in 2 seconds or less. The Kickback Break engages maximum force to stop the wheel when there is a pinch, stall, or bind-up to reduce kickback. The grinder will also shut off in those events to further protect the user. Battery and charger are sold separately. Brushless motor of the angle grinder requires no brush changes. DEWALT grinder's brake stops wheel in 2 seconds or less on average Kickback Brake engages when a pinch, stall, or bind-up event is sensed and the electronic brake engages with maximum force to quickly stop the wheel, reduce the movement of the metal grinder and shut the grinder off. Features E-Switch Protection - When the ON/OFF trigger switch has a no-volt release function. In the event of a power outage or other unexpected shut down, the trigger switch will need to be cycled (turned off and then on) to restart tool. Two stage trigger requires two actions to activate tool.