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On Saturday, 21 May 2016 07:18:35 UTC+1, Rod Speed wrote:

Which dexion are you talking about, the roughly 5x3" angle with
very large holes in it for bolts, or the 25mm square black slotted
tube with knock in corners ?

I've never seen Dexion that size

I was just guessing, didnt bother to look it up, presumably its 4x2" or
something.