Our choice for best overall air impact wrench is the Ingersoll Rand 2235TiMAX. Weighing just 4.6 pounds and advertised as having the best power-to-weight ratio in its class, the 2235TiMAX's 1,220 ...

Ingersoll Rand Air Ratchet Wrench. $170 at Amazon. ... This 1/2-inch impact wrench has a monstrous maximum torque rating of 1,350 lb-ft and an adjustable power regulator to control all of it.