The 2694-22 M18™ Cordless 2-Tool Combo Kit includes the M18™ 1/2" Hammer Drill / Driver (2607-20) and M18™ Sawzall® Recip Saw (2621-20). 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.