Hand reamers are specialized tools used to enlarge or finish holes in various materials, such as wood or metal. They have a tapered design with cutting edges that help achieve a precise fit for screws or bolts. Hand reamers are typically operated manually, allowing for greater control and accuracy during the reaming process. These tools come in various sizes and shapes, making them versatile for different applications. They are often used in woodworking, metalworking, and plumbing projects. Using a hand reamer can improve the quality of a hole, ensuring it meets the specifications required for components like screws or fittings.