Do you want the 14 mm or the 17.9mm? There are two Grade AA compasses available that are superior to the original. I prefer the 17.9mm. Go to Ebay and look for Pommel Compass, they run about 10 bucks. There were 10 of them the other day...now they are gone...sorry.
http://cgi.ebay.com/ws/eBayISAPI.dll...m=140326564325