Angle Grinder, Head Type Standard Head, Grip Style Straight, Voltage 18V DC, Wheel Diameter 6 in, For Wheel Type Type 27, Brushless Motor Yes, Cordless Tool Kit Contents (1) Bare Tool, Safety Features Adjustable Guard, Anti-Kickback Clutch, Electronic Brake, Switch Type Paddle, Lock-Off Switch No, Lock-On Switch No, Brake Type None, Max. Speed 9,000 RPM, Minimum Speed 9,000 RPM, Accessory Free Tool Change Yes, Spindle Thread Size 5/8 in-11, Guard Adjustment Toolless Adjustable