This listing is for (4) size "B" left hand thread nuts. This will fit standard fuel hoses. We also carry this item in right hand (OMG107) for use on "B" size CGA022 oxygen lines. Made in America by Western Enterprises, these solid brass nuts ship Quick & Free within the continental USA via First Class mail. Select 1-3 Day Priority Mail for only $4.00 at check out if needed sooner.
