Klein ToolsÛª 14-in-1 Precision Screwdriver / Nut Driver features 14 of the most common precision sizes in one tool. The Cushion-Grip handle and spin cap provide outstanding comfort and control. This smartly designed tool contains 6 sizes of integrated steel nut driver shafts that securely hold four double-ended screwdriver bits. Carefully heat-treated for industrial strength, the precision-milled bits include multiple sizes of slotted, Phillips and Tamperproof TORX bits.