Angle Grinder Head Type Standard Head Grip Style Rat Tail Voltage 18V DC Wheel Diameter 7 in 9 in For Wheel Type Type 27 Brushless Motor Yes Cordless Tool Kit Contents (1) Bare Tool Safety Features Adjustable Guard Anti-Kickback Clutch Lock-Off Switch Switch Type Trigger Lock-Off Switch Yes Lock-On Switch Yes Brake Type None Max Speed 6 600 RPM Minimum Speed 6 600 RPM Accessory Free Tool Change Yes Spindle Thread Size 5/8 in-11 Guard Adjustment Toolless Adjustable