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The DeWalt DCF921B is a compact 20V MAX cordless impact wrench with a 1/2-inch hog ring anvil. It delivers up to 300 ft-lbs of fastening torque and 450 ft-lbs of breakaway torque, with four speed settings including Precision Wrench and Timber Screw modes. Its short head and glass-filled nylon housing suit automotive work and tight engine bays, and it competes with compact mid-torque wrenches from Milwaukee and Makita on size and control rather than raw power. It is a bare tool, so batteries and charger are extra.
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Owners of compact DeWalt impact wrenches generally praise the size-to-power ratio and the control modes. Common complaints center on the bare-tool packaging and the limits of a mid-torque tool on very stubborn bolts.
The DeWalt DCF921B ATOMIC 20V MAX is a 1/2-inch cordless impact wrench with a compact frame. It delivers up to 300 ft-lbs of fastening torque and 450 ft-lbs of breakaway torque. It is made for automotive repairs, construction fastening and heavy-duty assembly. It is sold as a bare tool, so the battery and charger are sold separately.
A hog ring anvil lets you change sockets quickly without tools. The wrench has 4 speed settings, including Precision Wrench and Timber Screw modes. An integrated LED work light lights up dark work areas. The glass-filled nylon housing resists damage from oils and solvents.
