This Fully Featured 20V Cordless Impact Driver is Designed to Drive Lag Screws and other Large Fasteners. It has a handy 1/4" Quick-Connect Hex Chuck and delivers 1600 in-lb of Torque for the most Demanding Fastening Jobs. A Built-In LED Work Light Illuminates the Workpiece and s convenient LED Fuel Gauge on the Battery Indicates thev Remaining Charge. A 2.0Ah Battery and Quick Charger are Included.