It's a real size. It's uncommon though. x/32" sizes arent used too much anymore but there are a bunch you can find. Most are going to be used vintage ones though. You can get 3/32", 5/32", 7/32", 9/32", 11/32", 13/32", 15/32", 17/32", 19/32", 21/32", 23/32", 25/32", 27/32", 29/32" and 31/32". I...