The Milwaukee M12 FUEL™ SURGE™ HDD 2-Piece Combo Kit gives you the best in compact drilling and driving on Milwaukee's M12™ battery platform. The M12 FUEL™ SURGE™ 1/4" Hex Hydraulic Driver is the industry's first 12-volt hydraulic impact driver. Featuring Milwaukee's FLUID-DRIVE™ Hydraulic Powertrain, the hydraulic impact will let you experience operation up to 2X quieter with less vibration for smoother and faster driving speeds compared to standard impacts. The compact size of the tool and battery give you unmatched access in tight spaces and allows for easy transport on a tool belt and easy fitting into your job site tool bag. It is extremely lightweight at 2.3lbs and a compact 6.6" frame provides great access in tight spaces. The compact hammer drill driver is capable of providing you with 1700 RPM's and 350 in-lbs. of torque. Both tools feature Milwaukee's POWERSTATE brushless motor, REDLINK Plus Intelligence tool technology and are powered by Milwaukee's M12™ REDLITHIUM™ batteries. In addition to the tools, this kit includes one M12™ REDLITHIUM™ CP2.0 battery, one M12™ REDLITHIUM™ XC 4.0 battery, a M12™ Lithium-Ion battery charger and a contractor bag.