General description Dewalt DCF850N 18V XR Brushless Ultra Compact Impact Driver is designed for high performance in tight spaces. With a length of only 100mm, this tool is comfortable to use and ideal for confined areas. It features a 1/4" (6.35mm) 'drop in' bit holder for quick, one-handed bit changes. The durable design minimizes bit run-out, enhancing accuracy and user experience. The powerful brushless motor delivers up to 205Nm of torque, making it suitable for heavy applications. The tool includes a DeWalt DCBP034 18V Compact Powerstack Battery, which utilizes innovative stacked pouch cell technology for superior performance. Technical specifications Length: 100mm Torque: Up to 205Nm Battery: DeWalt DCBP034 18V Compact Powerstack Battery Battery weight: 15% lighter than traditional batteries Battery size: 25% more compact than DeWalt DCB183 18V 2.0Ah Battery Pack Compatibility and accessories Compatible with all DEWALT 18V XR battery packs Works with the complete line of 18V XR