XFD10Z 18V LXT 1/2 In. (inch) cordless drill/driver with 2 speeds, 0-600 and 0-1900 rpm (revolutions per minute), delivers up to 480 In./Lb. (inches per pound) of max torque. Features a compact design at only 7-1/4 In. long and weighs only 3.3 Lb. (pound) with battery for reduced operator fatigue. XDT11Z 18V LXT 1/2 In. impact driver with variable speed, 0-2900 rpm and 0-3500 IPM, delivers up to 1460 In./Lb. of max torque. Features a compact design at only 5-3/8 In. long and weighs only 2.8 Lb. with battery for reduced operator fatigue. Ergonomically designed handles with rubberized soft grips provide increased comfort. Built-in LED (light emitting diode) light illuminates the work area. Includes (2) BL1820B 18V compact lithium-ion 2.0 Ah batteries, (1) DC18RC 18V lithium-ion rapid optimum charger, and tool bag.