Chicago Pneumatic offers the CP734H 1/2" Air Impact Wrenches, that are redesigned with new materials and for better durability. The CP734H: Delivers 425 ft.-lbs. of torque. Includes a one-hand, push button forward/reverse differential regulator, with 4-position power setting forward and ultimate power in reverse. Weighs only 5.1 lbs. and is only 7.5" long Is designed with a new cushioned comfort-contoured handle grip and oil-bath DYNA-PACT pin clutch. Offers 1,020 blows per minute (bpm) and a free speed of 7,400 rpm. Is backed with a 1-year limited warranty.