This is a genuine OEM sourced part that is specially designed for Wilton and Jet belt sanders. The shaft is utilized to secure the idler drum. It provides an identical replacement for a missing or a faulty component that was installed on a new unit. Refer to the appropriate diagrams of for your model to ensure the proper repair procedure. Keep in mind this high-quality idler drum shaft is made of durable metal and is sold individually. For Use With: Jet 4200A (5511365) Belt and Disc Sander 4300A (5511365) Belt Sander J-4500 (414604) Belt and Edge Milling Machine J-4501 (414605) Belt and ...