This drum help roller is marketed separately. Most dryers involve two. The tri-rings are provided. This is the drum help roller to get a dryer. It is a real substitute portion. The part involves the drum roller only and would not consist of the tri-rings. This portion is bought individually. https://appliancepartsinmarkham82716.theideasblog.com/30100793/the-2-minute-rule-for-microwave-parts-in-markham