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 electronics, motor design, and ergonomics provide a blend of power, weight, and performance. Powered by REDLITHIUM the M18 cordless system delivers more torque, more power, and longer run-time than the competition.