The 2691-22 M18™ Cordless 2-Tool Combo Kit includes the M18™ Compact Driver
(2606-20) and the M18™ 1/4" Hex Impact Driver (2656-20). 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.