Ingersoll Rand ThunderGun Series 232TGSL Air Impact Wrench, 1/2 in Drive, 625 ft-lb, 10,000 rpm Speed

As close as you can get to the real racing tools used by Nascar pit crews. It features 625 ft-lb of torque in reverse, with 10,000 rpm to deliver pit crew power, speed and durability for shop tasks.