The 2691-23 M18™ cordless 3-tool Combo kit includes the M18™ 3/8 in. Compact Impact Wrench with friction ring (2651-20), M18™ 1/2 in. compact drill driver (2601-20) and M18™ work light (49-24-0171). The M18™ cordless lithium-ion 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. Powered by RED LITHIUM™, the M18™ cordless lithium-ion system delivers more torque, more power, and longer run-time than the competition.