The MILWAUKEE® M18 FUEL™ 2-Tool Combo Kit with ONE-KEY™ has the highest performing Hammer Drill and Impact Driver in the industry with the added benefit of ONE-KEY™ technology. This combo kit has the Most Powerful Drill, including AUTOSTOP™ Control Mode for enhanced safety and the Fastest Driving Impact Driver. Includes an M18 FUEL 1/2" Hammer Drill, M18 FUEL 1/4" Hex Impact Driver, (2) M18 REDLITHIUM™ XC 5.0Ah Battery Pack, with an M18/M12 charger and carrying case. The M18 FUEL™ ½” Drill Driver is the Industry's Most Powerful Drill and Most Compact solution. The POWERSTATE™ Brushless motor delivers the most power under load to complete 2-9/16" Self-Feed holes in dense materials for increased productivity and capability. At only 6.9” in length, this is the most compact drill in its class. The AUTOSTOP™ Control Mode offers enhanced safety for the user by preventing over rotation in a bind up with the best reaction time in the industry. The M18 FUEL™ ¼” Hex Impact Driver is the Most POWERFUL and FASTEST DRIVING impact driver, featuring ULTIMATE TRIGGER CONTROL. The POWERSTATE™ Brushless motor delivers unmatched power for a full range of capabilities to complete the widest variety of applications. Increase productivity on the jobsite with the fastest driving speed without sacrificing power or control. REDLINK PLUS™ intelligence delivers ULTIMATE TRIGGER CONTROL by providing smooth acceleration for small fasteners to prevent stripping of screws or damaging of materials.