A hand reamer is a tool used to enlarge or finish holes in materials like wood or metal. It features a tapered design with cutting edges that help create a smooth, precise hole. Hand reamers are often used in woodworking and metalworking projects, making them essential for tasks that require accuracy. These tools are typically operated manually, allowing for greater control compared to power tools. They come in various sizes and shapes, catering to different hole diameters and applications. Whether you're working on a DIY project or a professional job, a hand reamer can help achieve the desired results with ease.