Tandem patio door rollers

Hey there,

Thanks for reaching out to us! I'm sorry to say that we would not be able to supply you with a replacement for the tandem roller you have here. Unfortunately, the rollers we do carry would not work as suitable replacement alternatives.

If you know who the manufacturer is, you may be able to reach out to them directly or a local retailer that sells their hardware. 

Our sincerest apologies that we cannot be of more help with this repair but please don't hesitate reach out with any other hardware repair projects you might come across.