A rotary tool is a versatile handheld power tool that uses a rotating bit to perform various tasks. It can cut, grind, sand, polish, and carve materials like wood, metal, and plastic. Commonly used in DIY projects and crafts, rotary tools are popular for their ability to handle intricate work in tight spaces. These tools often come with a variety of attachments and accessories, allowing users to customize their functionality. Brands like Dremel are well-known for producing high-quality rotary tools. They are widely used by hobbyists, artisans, and professionals for both detailed and general-purpose tasks.