Chicago Pneumatic Tool CP7782 Heavy Duty 1-In. Impact Wrench - Pneumatic Tool with Full Teasing Trigger. Automotive Tools Durable Power Wrench: Air-powered wrench is powerful and sturdy for general maintenance applications. Integrated protective cover on the clutch housing adds to durability and lengthens tool life. Comfortable Hand Tool: Torque wrench is designed with a side handle for a firm grip and added comfort. Power tool works with pin less closed reinforced rocking dog impact mechanism for smooth operations. Easy-to-Use: Pneumatic torque wrench is provided with integrated forward/reverse 3-position power settings in both directions. Air wrench comprises a full teasing trigger for providing precise control. Heavy-Duty Applications: Pneumatic tool is specifically designed for the toughest jobs on truck, bus and heavy equipment applications. Adjustable torque wrench produces low vibrations while operating. Specifications: Impact wrench has a 1-inch square drive and socket retainer ring combined with hole retainer. Air wrench delivers free speed up to 5200 RPM.