Nutrunner, Bare Tool, Power Source Cordless, Voltage 18 V DC, Brushless Motor No, Fastening Torque 22.1 ft-lb, Retainer Type Pin Detent, Drive Size 3/8 in, Number of Batteries Included 0, Battery Capacity Not Applicable, Battery Series M18(TM) REDLITHIUM(TM), Handle Type In-Line