The 2494-22 M12 Cordless 2-Tool Combo Kit includes the M12 3/8" Drill/Driver and the M12 1/4" Hex Impact Driver. The innovative M12 cordless LITHIUM-ION system is designed to deliver the power and torque required for professional applications, in a size that reaches the tightest and toughest places. Powered by REDLITHIUM , the M12 cordless LITHIUM-ION system offers unmatched power, speed, and tool belt portability. The 2494-22 M12 Cordless 2-Tool Combo Kit includes the M12 3/8" Drill/Driver and the M12 1/4" Hex Impact Driver. The innovative M12 cordless LITHIUM-ION system is designed to deliver the power and torque required for professional applications, in a size that reaches the tightest and toughest places. Powered by REDLITHIUM , the M12 cordless LITHIUM-ION system offers unmatched power, speed, and tool belt portability.