The MILWAUKEE? M18? Compact Brushless 2-Tool Combo Kit is more compact and more capable. Includes the M18? Compact Brushless 1/2" Hammer Drill, M18? Compact Brushless 1/4" Hex 3-Speed Impact Driver, (1) M18? REDLITHIUM? XC4.0 Battery Pack, (1) M18? REDLITHIUM? CP2.0 Battery Pack, M18? and M12? Multi-Volt Charger and Contractor Bag. The Compact Hammer Drill is 5.8" in length and lightweight at 2.3 lbs without a battery allowing for excellent control, especially while working in overhead or tight spaces. The brushless motor was built to ensure optimal tool performance delivering 600 in/lbs of torque with a 4.0XC Battery and 0-1,700 RPM, able to tackle a wide range of drilling and fastening applications. The cordless 3-Speed Impact Driver measures only 4.4" in length and 2.1" wide, allowing for better access in tight spaces while being lightweight and portable. The brushless motor technology provides 1,700 in/lbs of torque and 3600 RPMs for faster speed and increased productivity. The REDLINK