Did you by chance have the model number and the serial number.

Here is a link i found that may be usefull.

http://www.outdoordistributors.com/R...rts_Lists.html

Far as I can tell if it say ring it is just one ring. If it says ring set it probably is a two ring set up. you cant really tell in the picture. It seems that there arent to many that is a two ring set up. you really have to search through this too.