Originally Posted by
onehundred80
14 mm hex it is as stated in this old thread. CLICK
Originally Posted by
onehundred80
14 mm (.551) hex it is, as stated in this old thread. CLICK
If you carefully grind .005 off each of the six faces of a 9/16" (.562) hex wrench you can make your own in a pinch.
Dave, both links don't work (where you have the CLICK).
.