This is a Moonlight Flange to fit a 2 inch Moonlight focuser to a Meade SCT, that's the large 3 1/4"Meade thread not the smaller SCT thread. This flange also allows the 6.3 focal reducer to be accommodated if its screwed into the focuser. This flange is in as new condition. When you buy from Moonlight in the USA you don't get any postage options its $36USD.
Flange alone $75 US = $110AUD Postage $36 US = $52AUD TOTAL $111 US = $163AUD
This one $110 POSTED save yourself $50 on postage. PM me if you are interested.