Amazon offers Craftsman V20 RP Cordless Impact Wrench, 3/8 inch Drive, Bare Tool Only (CMCF911B) for +Eligible for Free Super Saver Shipping.

Product Description:
V20 BRUSHLESS RP Cordless 3/8-in. Impact Wrench (Tool Only) provides MORE RUNTIME. BETTER PERFORMANCE. for your demanding jobs. Drive or remove large fasteners with 165 ft-lbs max torque. Additional features include a hog ring anvil for easy socket changes and a variable speed trigger. 

• DELIVERS TORQUE: 165 ft-lbs max torque for fast removal of large fasteners
• EASY SOCKET CHANGES: Hog Ring Anvil
• ADDED CONTROL: Variable Speed Trigger
• IMPROVED VISIBILITY: Built in LED worklight
• Applications: vehicles, plant maintenance, general construction, nuts, bolts and lag screws