The MILWAUKEE® M18™ 4-Tool Combo Kit includes the M18™ Compact Brushless 1/2" Hammer Drill, M18™ Compact Brushless 1/4" Hex 3-Speed Impact Driver, M18™ Brushless 7-1/4" Circular Saw, and M18™ Hackzall. 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 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.