Ingersoll Rand 232TGSL 1/2" Thunder Gun, Fastest Air Impact Wrench, 625 ft lbs Max Reverse Torque, 550 ft lbs Forward Torque, 10,000 RPM, Adjustable Power Regulator - Power Impact Wrenches - Amazon.com
Ingersoll Rand - 285B6 285B-6 Heavy Duty Pneumatic Impact Wrench, 1 Inch & BIG RED TA92006 Torin Pneumatic Air Hydraulic Bottle Jack with Manual Hand Pump, 20 Ton (40,000 lb) Capacity, Red - Amazon.com
Ingersoll Rand 1/2 in. Air Impact Wrench, 600 ft./lbs. Max Torque, Super Duty, Pistol Grip 231C - The Home Depot