Ingersoll Rand 3942B2Ti Super-Duty Impact Wrench features titanium hammer case, bronze end plates and torque up to 3,250 ft-lbs. The 3900 Series are the premier industrial grade impact wrenches. This impact wrench is optimized for general industrial use, MRO, rail, heavy machinery, and shipbuilding. The 3900 Series delivers a high torque output, making every job a breeze. Twin hammer mechanism ensure consistent power and balance while the Reverse bias motor to help remove the most stubborn bolts. Pressure-fed mechanism lubrication ensures complete coverage throughout the tool.