JET 400435-1' Drive Lightweight Impact Wrench-Super Heavy DutyExtremely powerful 1-Inch impact wrench – produces 1,700 ft/lbs of torque in reverseUltimate power in reverse maximizes removal of stubborn rusted nutsTwin hammer mechanism provides more power and smooth, balanced impact blows for reduced vibrationPistol grip design allows access and maximum power in more confined spacesForward and reverse valve is equipped with 3 positive forward throttle settings