On Thu, 22 Sep 2005 21:35:22 +0100, Chris Bacon wrote:

rrh wrote:
"Michael Chare" wrote...
I want to tighten a chrome plated hexagonal nut on a central heating
radiator valve without marking it in anyway.

Surely a ring spanner of the right size will not mark the nut under normal
amounts of torque?

It's all right if you can get it on, but afterwards you might not
be able to have it off.

Won't matter if he buys enough ring spanners.