Chicago Pneumatic 772H 3/4" Heavy Duty Air Impact Wrench. Differential regulator allows the operator to match the required power to the job. Improved oil bath dyna-pact clutch delivers higher performance and extended durability. Handle exhaust directs air away from the workpiece and operator. Integral 360 degree air inlet swivel keeps air hose from being twisted and kinked. Teasing throttle design for precise control. Applications - assembly and maintenance of buses, trucks, rv's, farm machinery and construction equipment. Ultimate torque - 1000 ft lbs. Specifications: square drive - 3/4", standard bolt size - 1 1/8", cfm - 8, hose size - 1/2", torque range - 150 to 700 ft lbs, ultimate torque @ 90 psi forward/reverse - 1000 ft lbs.