Bobbin changes are a breeze with this plastic cover plate. Made of durable plastic, this see-through cover allows you to keep an eye on your bobbin thread, helping to ensure you don't run out in the middle of a project. As a helpful little tool, printed on the bottom corner of the plate is a guide on feeding your bobbin thread so you no longer have to wonder if you did it correctly. This easy-to-install cover plate works with multiple machines and is an absolute necessity.