The 2696 - 23 M18 cordless 3-tool Combo kit includes the M18 1/2 in. high torque impact wrench with friction ring (2663-20), M18 3/8 in. Compact Impact Wrench with friction ring (2651-20), 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 system delivers more torque, more power, and longer run-time than the competition.