Black & Decker 18V Cordless Drill/Driver with 10 Accessories GC01800-10 Includs 10-piece Drill Bit Set contains the most popular range of drill bits sizes 1/16-in to 1/4-in 24-position clutch provides optimum control without stripping screws,10 drill bits Lithium Ion Technology & 18V MAX: Lighter, more compact, no memory, longer life Compact and Lightweight: Less fatigue and allows users to drill / screw in confined spaces Variable Speed: Allows countersinking without damaging material