Carry fewer tools in your bag with the 11-in-1 screwdriver / nut driver with Schrader bit. Each of the 11 tips is blast finished to provide a firm hold and reduce cam out. It also has Klein's cushion grip handle for greater torque and comfort.PRODUCT FEATURES:- Versatile 11-in-1 tool for the professional - Includes unique style bit for installation/removal of common TR-4 Schrader® valves and aggressive thread extractor tip for backing out broken cores - Great for HVAC and other industrial applications - Blast finish bit tips provide a firm hold and reduce cam out - Contains: 3/16-Inch (5 mm) and 1/4-Inch (6 mm) slotted, #1 and #2 Phillips, 1/4-Inch (6 mm), 5/16-Inch (8 mm) and 3/8-Inch (10 mm) nut driver, #1 and #2 square, core removal/installation, core extractor - Cushion-Grip handle for greater torque and comfort