Angle Grinder Voltage 18V DC Brushless Motor Yes Safety Features Kick-Back to the Lowest Level Brake Type Electronic Max Speed 10 000 RPM Accessory Free Tool Change Yes Spindle Thread Size 5/8 in-11 Guard Adjustment Toolless Adjustable Anti-Restart Technology Yes Anti-Kickback Clutch Type Mechanical Dust Sealed Switch Yes Dust Management Dust Guard Electrical Protection Overload Protection Soft Start and Restart Protection