When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I read somewhere recently that many are actually supposed to be 7/16". But I've never heard that anywhere else or heard any owner of one state that. I wish I could remember where I read that, I think it was erroneous. 10mm is all I've ever heard. I don't mind that but why in the hell did they not make them adjustable?
