Chicago Pneumatic delivers the first 1/2in. pneumatic wrench with side-to-side (S2S) technology. S2S technology is the industry"s best and most convenient forward/reverse functionality ever engineered, located directly above the trigger for true one-handed operating. The CP7749 is well balanced and lightweight (4.37 lbs.), with an ergonomic composite handle, twin hammer clutch and 725 ft.-lbs. of ultimate torque. Reversible: Yes, Speed - No Load (RPM): 9,000, Standard Bolt Capacity (in.): 3/4, Max. Reverse Torque (ft.-lbs.): 725, Min. Hose Size (in.): 3/8, Variable Speed: Yes, CFM at Load: 19, Drive (in.): 1/2, Hammer Mechanism: Twin, Inlet Size (in.): 1/4, Average Air Consumption (CFM): 4.7, Noise Level (dB): 94, Working Torque (ft.-lb.): 75-580, Tool Length (in.): 7 5/16, Tool Weight (lbs.): 4.4