Dave Plowman (News) wrote:
Came across a funny today - a DAB tuner with the input F socket 'square'
at the end rather than tapered. Which means certain makes of plugs simply
won't grip tightly - even with the nut tight the body still spins round.
Can't do much for the signal.

Not sure I understand, I thought they were all square

http://www.screwfix.com/prods/17061/...lug-Pack-of-10