The DeWalt DCF901B is a 12V MAX cordless impact wrench with a 1/2-inch anvil, sold as a bare tool. It delivers 250 ft-lbs of tightening torque and 400 ft-lbs of breakaway torque, which is high for a 12V wrench and enough for most lug nuts and suspension work. Its compact body and glass-filled nylon housing suit tight engine bays and chemical-heavy shop use. Against 18V and 20V impact wrenches it trades peak power for size and weight, so it fits as a second, lighter tool rather than a primary one.
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Owners rate it highly, with 4.9 out of 5 from 16 ratings. They praise its torque for the size and its usefulness in tight spots.
The DeWalt DCF901B is a 12V MAX cordless impact wrench with a 1/2-inch drive. It is sold as a tool only. It delivers 250 ft-lbs of max tightening torque and 400 ft-lbs of max breakaway torque, for use in a wide variety of automotive applications.
The compact size lets it work in hard-to-reach spaces. An LED ring makes it easier to see in low light. The housing is glass-filled nylon, which resists harsh automotive chemicals and solvents.













