Drill, Voltage 18V DC, Bare Tool, Cordless Tool Battery Type Li-Ion, Brushless Motor Yes, Number of Batteries 0, Ultra-M Series, No Load RPM 0 to 600/0 to 2050, Chuck Size 1/2 in, Max. Power Not Specified, Max. Torque 1,062 in-lb, Battery Included No, Transmission 2-Speed, Clutch Style Electronic, Handle Type Pistol Grip, Battery Pack Replacement 28CP79, Chuck Keyless, Tool Length 9 5/16 in, Tool Weight 5.5 lb