Lithium Ion Technology & 20V MAX: Lighter, more compact, no memory, longer life 11 Position Clutch: Provides precise control for drilling into wood, metal, plastic, and all screwdriving tasks Compact and Lightweight: Less fatigue and allows users to drill / screw in confined spaces. Part of the 20V MAX* System - A System that Demands Attention Variable Speed: Allows countersinking without damaging material Ideal for drilling into wood, metal plastic and all screw driving tasks Features integrated bit holder under drill handle that includes double ended bit