10mm Drill Chuck TOUGH: The high torque and the convenience of two speed settings allows the DeWALT power drill to tackle applications in materials such as drywall, wood and even metal LIGHTWEIGHT: This professional-grade power and incredibly lightweight drill kit is great for hard-to-reach areas and overhead tasks. Best performance-to-size ratio in its class DURABILITY: The DeWALT 36v battery drill comes with two 36V lithium-ion batteries to provide increased runtime PRECISION: This drill driver combo has two speeds (0-2,450rpm and 0-3400 rpm) and 20+1 clutch settings, allowing users to make precise torque adjustments for accurate screw driving and drilling The Screwdriver is very powerful despite the 36V battery, since this LiOn battery. Charges quickly.