It is a genuine replacement part that is supplied directly from the original equipment manufacturer for use with Powermatic, Jet and Wilton equipment. Washers are generally utilized to provide a tight seal between connected parts. It is a standard hardware which may have multiple applications, please make sure to refer to the appropriate ...Read morediagrams of your specific model for the correct location and use of this flat washer. Keep in mind this high-quality part is made of durable metal and is sold individually.