Electric Knife Sharpener This multipurpose drill bit sharpener works as a tool for sharpening drill bits quickly. It is powered by electric drills and is compatible with all types of drill bits such as high-speed steel, carbide, twist, and cobalt. It can also be used for other tools. Diamond grinding wheel is wear-resistant and not easy to deform. Help you quickly sharpen the drill bit, improve work efficiency and save energy. Sharpening a drill in 5 seconds. This Multipurpose Drill Bit Sharpener works as a tool for sharpening drill bits quickly. It is powered by electric drills and is compatible with all types of drill bits such as high-speed steel, carbide, twist, and cobalt. It can also be used for other tools such as kitchen knives and more. This Multipurpose drill sharpener is equipped with 2 diamond grinding wheel discs and 3 grinding flutes 0.08-0.63 to sharpen different drill bits without special use and skills. Compatible with all kinds of hand drills. Whether you have an electric drill, a hand drill or other manual drills, our drill bit grinder is a multi-functional tool that can be used with various types of hand drills and works for any DIY enthusiast or a tool for professionals.