"Bibby" wrote in message
news:z3c0b.183660$YN5.135802@sccrnsc01...
Dick, as others have said, these probably need Bristol wrenches. I
bought
some a few months back from

Good luck,

Malcolm, W1/GW3NJY




Some Bristol wrenches here
http://cgi.ebay.com/ws/eBayISAPI.dll...ategory=46 73