A drill jig is a specialized tool used in manufacturing and woodworking to guide a drill bit accurately. It helps ensure that holes are drilled in the correct position and at the right angle, which is crucial for creating precise parts. By holding the workpiece in place, a drill jig can improve efficiency and reduce errors during the drilling process. These jigs can be made from various materials, including metal and plastic, and come in different designs to suit specific tasks. They are commonly used in industries like automotive and aerospace, where precision is vital for components like engine parts and aircraft frames.