[SIZE="4"]Ok been busy this morning, got some pics and info. The place is SA Trailer and Chassis Equipment, Ph. 0882627170. Email 
sales@satrailer.com.au or website 
index . 
For some reason its not letting me load pics. 
Ok so description, its solid square steel where it fits into towbar. It has a braced plate welded to it about 12mm thick. It has 8 holes in it to attatch the pintle hook. The shaft is about 40 cm long and has a hole for the pin. Their special price is $55 + gst. This one ismade by a different manufacturer. It weighs about 6kg. They also do their own receiver for $77 + gst. They have the pintle hooks here also, 10 tonne for about $140, or the combination ball and pintle rated at 3.5 tonne (ball rating) for about $161. Prices are all plus gst. 
Hope this helps
Cheers Rod
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