Wagan El2257 Hi Speed Impact Wrench: * Voltage: 12V DC * Max torque: 271 ft-lbs * Sound pressure level: 83 dB * Acoustic power level: 94 dB * Power cord length: 13" * Double socket wrench: 17 / 19mm * Double socket wrench: 21 / 23mm * Included socket diameters: 17, 19, 21, 23 * Includes 2 spare fuses * Carrying case * Weight: 3.3 lbs