Die Grinder, Voltage 12V DC, Max. Speed 24,500 RPM, Grinder Orientation Right Angle, Switch Type Paddle, Brushless Motor Yes, Cordless Tool Kit Contents (1) Bare Tool, Accessory Free Tool Change No, Collet Size 1/4 in, Speed Ranges 0 to 24,500 RPM, Number of Speed Settings 4, Lock-Off Switch Yes, Lock-On Switch Yes, Brake Type None, Anti-Kickback Clutch Type None, Anti-Restart Technology No, Safety Stop Mechanisms None, Tether Style Tether Capable, Dust Sealed Switch No, Grip Style Barrel Grip