DeWalt DCF840N-XJ 18V Brushless Compact Impact Driver (Body Only) The DeWalt DCF840N 18V XR Brushless Impact Driver boasts a compact, ergonomic design, measuring just 129mm from front to back. Its enhanced 3200 RPM and 192Nm deliver rapid application speed, and the drop-and-load bit holder ensures that bit changes are both quick and effortless. DCF840N-XJ Features: - Compact tool at only 129mm is very comfortable to use - 1/4" (6.35mm) 'drop in' bit holder allows for quick, one handed fitment - High power yet compact Brushless motor outputs up to 192Nm of torque - 3200rpm ensures applications are completed quickly - Compatible with all DEWALT 18V XR battery packs - 3x LED "Halo" light ring offers excellent workpiece lighting DCF840N-XJ Specifications:.