Acorn Roller Assembly 1/2" wide

We are in need of 50 of Acorn Roller Assembly 7/8" Flat. But the only problem with your this particular assembly, it is 3/4" wide. I need this type of assembly, however, it has to be 1/2" wide. I have a photograph on my phone, and I would be happy to email it or text it to someone specific, so he or she can see what I have to replace.
I sincerely hope to can assist me, thank you, hoping to hear from you soon,