Originally Posted by geeyoff
6mm is too small, but 8mm is too large. 5/16" is too small, but 3/8" is too large.
6 mm is too small.
5/16" (7.93 mm) is too small.
8 mm is too large.
3/8" (9.53 mm) is too large.
I doubt there's a 7.97 mm hex available...