http://www.horizonhobby.com/Products...prodDetailTabs
4/5th down the parts list is the turnbuckles and there lengths, Gnarly old dog your guesses are correct and i`d guess by the price of the parts that they will be steel as standard.
so the the search for ti. starts.
Also the due date is different to the one we have/been posted on this thread somewhere.
http://www.horizonhobby.com/Products...ickAccessories