You must have been a naughty boy, Amazon seem to quite happy to ship to me $16.08 for two cones and $4.99 shipping.
www.riggingonly.com/Norsemanmechanicalterminal.htm might be another option even though the closest size to 7mm I see is 9/32
Sydney Rigging
http://www.rigging.com.au/tylaska.htm handle Tylaska, they might be able to source the cones for you
