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