Chicago Pneumatic CP749 1/2-In. Drive Super Duty Air Impact Wrench - Pneumatic Tool with 4-Power Settings. Power and Hand Tools Powerful Impact Wrench: This reversible impact wrench can easily tackle the tough jobs with precise power and design. Featuring a contoured elastomer grip handle, the air tool ensures a strong hold and easy control. Durable Power Tool: Torque wrench features the patent Oil bath Spring Hammer clutch mechanism for increased power, high durability and reduced vibration. High torque wrench is suitable for heavy-duty environments. Easy-to-Use: Air tool comes with a one-handed reverse button and 4-power settings. Pneumatic torque wrench has a powerful and impact-resistant motor to provide high torque. Portable Hand Tool: Pneumatic tool weighs 5.5 lbs. and can be easily transported to and from job sites. 1/2" impact wrench with ring socket retainer is ideal for general maintenance and repairs. Specifications: Pneumatic wrench offers free speed up to 6400 RPM with a maximum torque of 610 ft. lbs. Air wrench measures 8.9 x 8.6 x 4 in. The power tool can withstand rough usage.