1 in. Ultra-Duty Air Impact Wrench The Ingersoll Rand 2171XP 1 in. Ultra-Duty Air Impact Wrench combines a six-vane high output air motor, through-bolt construction, ergonomic handle and housing design to create an Impactool that offers increased power and durability. . Delivers 1,250 ft-lbs. maximum reverse torque power 3-position power regulator forward and full power in reverse with a 360 degree swivel inlet 6-vane motor delivers more power and consumes less air . 1 in. Ultra-Duty Air Impact Wrench - 2171XP 2171XP