Take on a variety of heavy-duty fastening jobs with the DeWalt 20V MAX XR Brushless 1/4" Impact Driver Kit (4.0 Ah) (DCF887M2). This cordless impact driver is compact and lightweight, so you can conquer any mechanical work with efficiency and ease. The brushless motor delivers up to 57% more run time over brushed motors, while the XR Li-Ion batteries light up your workspace, and provide 33% more capacity over standard battery packs.