Drill, Voltage 18V DC, Bare Tool, Cordless Tool Battery Type Li-Ion, Brushless Motor Yes, Number of Batteries 0, M18 Series, No Load RPM 0 to 400/0 to 1800, Chuck Size 1/2 in, Max. Torque 500 in-lb, Battery Included No, Transmission 2-Speed, Clutch Style Mechanical, Handle Type Pistol Grip, Battery Pack Replacement 2XKZ3 or 2PYZ8, Chuck Keyless, Tool Length 7 1/4 in, Tool Weight 3 lb