17-IN-1 TOOL: Includes 11 tips and converts to 3 nut driver sizes for a wide range of applications IMPACT-RATED: Switch shaft from the handle to any impact driver POWERFUL RARE-EARTH MAGNET: Bits and hex fasteners are held securely by powerful magnets in the shaft MULTI-PURPOSE: 1/2-Inch collet with 11 screwdriver bits, 3 socket sizes, deep 1/4-Inch bit holding feature and 3/8-Inch square drive HEX DRIVER SIZES: 1/4-Inch, 5/16-Inch, and 3/8-Inch PRECISION MACHINED TIPS: Precision machined bit tips offer a firm hold and reduce cam-out for reliable performance CUSHION GRIP HANDLE: Provides maximum comfort