The DEWALT DCF887 XR Brushless Impact Driver is Equipped with application control, this is achieved through 3 motor speeds and torque settings. Precision Drive mode offers additional control in screwdriving applications to avoid material and fastener damage. Fitted with a high power, brushless motor that is capable of outputting up to 205Nm of torque, ensuring heavy applications are completed quickly. It has a super lightweight and compact design that is very comfortable to use and fits in small spaces. The 3 LED, Halo light ring offers excellent work piece lighting. Specification Bit Holder: 6.35mm (1/4in).No Load Speed: 0-1000/0-2800/0-3250/min.Impact Rate: 0-3800/bpm.Max Torque: 205Nm.The DEWALT DCF887N Brushless G2 3SP Impact Driver 18 Volt is supplied as a Bare Unit NO battery or charger supplied.