This brushless impact driver kit features a very compact but powerful 1/4 In. hexagonal driver, two 12 V Max 2.0 Ah batteries and a charger. It has a 5.5 In. head-length and weighs just 1.6 Lbs., but it is a powerhouse, with an optimized impact system. It also has the Bosch performance control system, which supplies two speed settings, one for high speed and high torque and one for low speed and low torque. This delivers no-load RPM ratings of 0-1,200 and 0-2,600 and no-load impact-per-minute ratings of 0-2,700 and 0-3,100. The drivers produces 975 In.-Lbs. of max torque, great for repetitive driving tasks and about 85 percent of the fastening tasks around the professional jobsite. The tool's EC Brushless motor and improved all-metal gearbox allows for unmatched efficiency, great runtime and longer life. This driver has a 1/4 In. hex drive and a three-LED light ring.Compact and light – just a 5.5 In. head-length and 1.6 Lbs. in weightEC Brushless motor – allows for greater motor efficiencyEffective performance – completes 85 percent of most fastening applicationsPro driving performance – delivers 975 In.-Lbs. of max torqueFast driving – no-load RPM ratings of 0-1,200 and 0-2,600Optimized impact system – no-load impact per minute ratings of 0-2,700 and 0-3,100Performance control system – provides two speed settingsThree LED lights – offers improved illumination in dark work spacesRugged belt clip – for quick and easy storage