Our M18 FUEL 2-Tool Combo Kit has the Most Powerful Drill, including AUTO STOP Control Mode for enhanced safety and the new M18 FUEL SURGE ¼" Hex Hydraulic Driver. Kit includes an M18 FUEL 1/2" Hammer Drill, M18 FUEL SURGE 1/4" Hex Hydraulic Driver, (2) M18 REDLITHIUM XC 5.0Ah Battery Pack, with an M18/M12 charger and carrying case. Our 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 AUTO STOP Control Mode offers enhanced safety for the user by preventing over-rotation in a bind-up with the best reaction time in the industry. Our M18 FUEL SURGE ¼" Hex Hydraulic delivers up to 3X Faster driving speeds and capability when compared to the previous generation. Optimized for use in occupied spaces and to reduce end user fatigue, the new M18 FUEL SURGE utilizes a redesigned FLUID-DRIVE Hydraulic Powertrain to deliver 50% Quieter operation with Smoother Driving and Less Vibration by reducing metal on metal contact in the mechanism. The second-generation tool also includes Tri-LED lighting for increased workspace visibility and 3-Mode Drive Control. Our M18 FUEL 2-Tool Combo kit is part of the M18 system which is fully compatible with over 300+ solutions.