Die Grinder Voltage 20V DC Max Speed 25 000 RPM Grinder Orientation Straight Switch Type Paddle Battery Capacity (2) 4.0 Ah Brushless Motor Yes Cordless Tool Kit Contents (1) Bare Tool (2) Batteries (1) Charger Accessory Free Tool Change No Collet Size 1/4 in Lock-Off Switch No Lock-On Switch No Brake Type None Anti-Kickback Clutch Type None Anti-Restart Technology No Tether Style Not Tether Capable Dust Sealed Switch No Grip Style Barrel Grip Application Grinding