Tooluxe 31456L Pneumatic Reversible Air Ratchet Wrench, 1/2" Drive Reversible four vane motor allows for fast action on all kinds of fasteners in both clockwise and counter clockwise directions with a free speed of 150 RPM Built-in air regulator lets you control the touch trigger with ease and lets you decide the right amount of torque, 45 ft. lbs maximum torque Planetary gear reduction mechanism provides great durability and ensures that your air ratchet wrench performs through job after job Front exhaust allows airflow away from your face and reduces the amount of dirt and debris blowing towards face Small enough to use wherever you would use a manual ratchet yet strong and reliable due to the steel head and aluminum housing