On Wed, 12 Dec 2012 23:43:35 -0500, Jan Philips
wrote:

Our 15-year-old shower handle is loose. A 3/32 hex wrench fits in but
I can't turn it. It may be rusted. Is there a way go get the hex nut
loosened, or what does it take to fix it?

I found some T-shaped hex wrenches by Klein and by Eklind (and
others). Shoud one of those be strong enough to get it going?