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The DeWalt DCF937B is a 20V MAX XR brushless impact wrench with a 7/16-inch hex quick-change anvil, sold here as a kit with a 20V MAX 5Ah battery. It offers four speed modes, including a Timber Screw mode for structural fasteners, plus a variable-speed trigger, forward/reverse switch, LED light, lift ring and belt hook. The 7/16 hex drive suits timber screws, lag bolts and large fasteners rather than lug nuts, so it competes with hex-drive impact drivers and wrenches from Milwaukee and Makita. The brushless motor and 5Ah pack give it the runtime and torque headroom for decking and framing work.
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This DeWalt 20V MAX kit pairs the compact DCF937B 7/16 in. brushless impact wrench with a 20V MAX 5Ah battery kit. The wrench is a 20V MAX XR model built for fastening tasks.
It has 4-mode speed selection and a Timber Screw mode, so output can be matched to the application. A variable speed trigger and a forward/reverse switch give control over the work. A built-in LED light improves visibility in dim work areas.
A lift ring and a belt hook make the wrench easier to maneuver, carry and store.
