It says to use 25mm brackets.
Not sure on which ones though
This one http://www.toolstation.com/images/library/stock/webtables/85681.jpg
Or this one http://www.toolstation.com/images/library/stock/webtables/99820.jpg
If none, can someone advise. I am placing an order with toolstation. If they don't have any of the type you recomend, please advise. Wickes had none when I looked, where else.