On Fri, 16 Aug 2013 15:28:37 +0100, Martin Brown wrote:

Boggle! How did you wear it out?

Quite. Once in place nothing needs to unscrew on a regular basis
unless the design is wrong. ie the gap between inner face of ball on
the end of the arm and wall is too small to a allow a standard full
bog roll to simply slide on.

The other possibilty is that it's been installed the wrong way up so
the weight of the bog roll tends to unscrew the standoff bar from the
joint ball.

As for paying £160 for it, boggle again. B-)

--
Cheers
Dave.