Need a quarterlite lock for an oval, but I guess any between 55 and 62 or there abouts would fit, right?

Gday Pete, we have new left and right locks in stock if you can't find a second handie, or want new.
http://dasrestoparts.com.au/vent-lock-64-l-ww.html 
http://dasrestoparts.com.au/vent-lock-64-r-ww.html 

Cheers
Al

thanx, good price for a simple but important part! What would shipping be from Brisvegas?