Genius Tools 1" Dr. Long Anvil Air Impact Wrench, 1,200 ft. lbs. / 1,630 Nm - 8K1636
MTS 53254 1/2-Inch Drive Aluminum Pneumatic Air Powered Impact Wrench, Standard Anvil, Twin Hammer, with Max Torque of 680, Working Torque Range 25-400 ft-lbs, Weight 6 lbs. - Amazon.com
Genius Tools TF-416K1 16PC 1/2" Dr. Metric Impact Wrench Set 230 ft-lb
Genius Tools 1/2" Dr. Air Impact Wrench, 500 ft. lbs. / 678 Nm - 400500
Genius Tools 1/2" Dr. Air Impact Wrench, 380 ft. lbs. / 516 Nm - 400400G