The M18... 2-tool combo kit includes the 1/2 In. compact brushless hammer drill driver (2702-20) and the 1/4 In. hex brushless impact driver (2750-20). The M18... cordless system's patented technologies and electronics, innovative motor design, and superior ergonomics provide the most efficient blend of power, weight and performance in the industry. The M18... 1/2 In. compact brushless hammer drill/driver is the most compact 18 V drill on the market and delivers over 50PERC more run-time than drills with brushed motors. The M18... 1/4 In. hex brushless impact driver is the most compact impact driver in its class and delivers over 50PERC more run-time than impact drivers with brushed motors. Both tools feature Milwaukee.® built brushless motors, relink... electronics, and REDLITHIUM... batteries that provide more efficient power delivery, for fewer trips to the charger. 08235