On Sun, 11 Dec 2011 12:46:51 +0000, The Medway Handyman wrote:

Why would anyone make a plug that doesn't use a standard size hole?

Same reason that the toolstation (or screwfix) plug based cable tie
thingies use 9mm. To be damn bloody awkward.

9mm is about, I have one now but it's not that easy to get hold of in
the sheds and many trade places. I had to mail order it from
somewhere.

--
Cheers
Dave.