Hitachi KC18DBFL 18V Lithium Ion Brushless Hammer Drill and Impact Driver (DV18DBFL plus WH18DBFL) Combo Kit, 3.0Ah (Discontinued by manufacturer) Equipped with Brushless motor technology for maximum run time and durability Powered by Lithium Ion battery technology for fade free, lightweight power and extended battery life Kit includes (2) 18V 3.0Ah Lithium Ion Slide Type batteries that deliver steady power for the duration of the charge Kit includes the DV18DBFL 18V Brushless Lithium Ion Hammer Drill that produces up to 440 in/lbs of torque and is equipped with a 1/2" ratcheting metal chuck to minimize bit slippage Kit includes the WH18DBFL 18V Brushless Lithium Ion Impact Driver that delivers up to 1,460 in/lbs of torque and up to 2,900 RPM, and is equipped with Hitachi's Active Control System that adjusts the RPM to the torque level to minimize the chance of stripping a screw Includes the UC18YFSL rapid charger and carrying case Covered by Hitachi's Lifetime Lithium Ion tool warranty & 2-Year Lithium Ion battery warranty