You are on the original version of Frets.com.
CLICK HERE to view this same content on the new version of the site.

FRETS.COM
Shop Tip #177
© Frank Ford 2006; Photo by FF

Spend a little more for "ball end" hex wrenches.  They allow you to be as much as about fifteen degrees out of alignment when you insert the end into a hex socket.  If you haven't tried them, you're in for a pleasant surprise.