This drum assist roller is sold independently. Most dryers call for two. The tri-rings are involved. It is a drum assist roller for any dryer. It can be a real substitute portion. The element incorporates the drum roller only and will not contain the tri-rings. This section is bought individually. https://samsungdryerpartsinajax16150.angelinsblog.com/29159672/an-unbiased-view-of-microwave-parts-in-markham