The upgraded model of Ingersoll Rand's 285B-6 1" Impactool delivers more power with 1770 ft./lbs. of maximum torque at 120 psi, with 5,250 rpm free-speed and a high-efficiency, six-vane motor. THe 285B-6, with a swept back handle, offers Fast-Torque for removing lug nuts with 1,000 ft./lbs. of force in just two seconds.