This drum aid roller is marketed independently. Most dryers have to have two. The tri-rings are involved. This is the drum support roller for just a dryer. It is a genuine substitute section. The section consists of the drum roller only and will not consist of the tri-rings. This section https://beaunlifb.gynoblog.com/29340204/how-dryer-parts-in-stouffville-can-save-you-time-stress-and-money