Multipurpose Drill Bit Grinding SharpenerSharpening the drill bits can help improve your work efficiency and save effort. A sharp drill can make a hole in less time and effortless, while a dull drill costs more time and effort. Sharpening a drill in 5 seconds! This Multipurpose Drill Bit Sharpener is an ideal tool for sharpening drill bits quickly and easily. It is powered by electric drills and is suitable for all types of drill bits such as high speed steel, carbide, twist, and cobalt. It