1/2" Air Ratchet Wrench, 54 ft-lb Torque, 160 RPM. The advanced head design of the 1077XPA ½” ratchet wrench provides increased durability to one of the industry’s most popular ratchets.360-Degree Exhaust: Adjustable 360-degree exhaust capabilities of the 1077XPA standard ratchet wrenches direct exhaust away from the operator, ensuring a better workspace. Increased Control: The power regulator you’ll find on this ratchet wrench provides increased control on every job. Access Hard to Reach Spaces: With greater access and reach, you can more easily work in deep, hard to reach areas. Ideal Choice: Ideal choice for work in close quarters. Provides 54 ft.-lbs. of max torque and 160 rpms. Variable speed lever style throttle.