Torque Wrench, (1) Bare Tool, Power Source Cordless, Voltage 40 V DC, Brushless Motor Yes, Breakaway Torque 737 ft-lb, Fastening Torque 1,000 N-m, Free Speed 15 RPM, Max. Torque 737 ft-lb, Power to Weight Ratio 36.85 ft-lb./lb, Retainer Type Through Hole, Drive Size 1 in, Number of Batteries Included 0, Battery Capacity Not Applicable, Battery Model No. BL4013, Battery Series IQV40(TM), Charger Included Yes, Charger Model BC1161, Handle Type Pistol Grip