[Rockcrusher]

Went to my local Ace Hardware where they have a large assortment of Hillman hardware. Look in the bin for 13mm circlip, they have 12 and 14mm no13, wtf. I went with a 1/2 circlip, they fit nice and tight, but what's up with no 13mm!

I have been using 1/2" stainless with no problem.