MILWAUKEE M12 FUEL 2-Tool Combo Kit has the Most Powerful Subcompact Drill, the Fastest Driving Subcompact Impact Driver while being the overall Most Compact Drill and Impact Driver. Includes MILWAUKEE M12 FUEL 1/2" Drill Driver, M12 FUEL 1/4" Hex Impact Driver, M12 REDLITHIUM XC 4.0Ah Battery Pack, M12 REDLITHIUM CP 2.0Ah Battery Pack, with an M12 charger and a contractor bag. The M12 FUEL 1/2" Drill/Driver is the Most Powerful Subcompact Drill Driver, the most compact in size, and has the fastest speed under load.