wrote:
5.5mm = 7/32", which might or might not help (5.55mm to be precise,
which is more than close enough).

If all else fails you could very firmly jam a convertor into a socket
with a slip of something.


NT

There's one in the woolworths set with lots of drill bits and other
bits n pieces. Its marked 7/32, which is 5.55mm. Reduced from £20 to
£4.


NT