This drum aid roller is sold independently. Most dryers have to have two. The tri-rings are included. It is a drum guidance roller for a dryer. It is actually a genuine alternative section. The component involves the drum roller only and won't include the tri-rings. This element is marketed individually. https://samsungwasherpartsinajax30639.bloggosite.com/36189033/the-smart-trick-of-whirlpool-washer-parts-in-bowmanville-that-nobody-is-discussing